The etiquette most often printed for yum cha is half official and half folklore, and the dividing line is not where you might expect. The finger-tap of thanks, which sounds like legend, is written down by the Hong Kong Tourism Board, complete with a Qing emperor; the lid-open signal for more hot water, which sounds like plain practice, is not written down by any official source this guide could reach.

This guide gives the sequence as the tourism board and the government heritage database describe it, the words on the order sheet and the bill, what the Consumer Council says about the tea charge, and the food safety centre's figures on the dishes. It names only the teahouses that an official source or their own site names. Where the record is silent, the guide says so and leaves the custom to the table in front of you.

The sequence at the table

The tourism board's article on enjoying dim sum defines yum cha as "meaning 'drink tea'" and describes it as "today a social gathering typically held in the morning though increasingly for brunch and lunch". Its Chinese version lists four sessions: morning tea, taken by older people after exercise, the business lunch, afternoon tea and late-night tea.

The order of steps is stated in one sentence: "In traditional yum cha restaurants, tea is ordered first — it's poured by the person nearest the teapot who fills their own cup last, while fellow diners can tap the table with three fingers in thanks." The Chinese version says the same, adding that you first choose the tea you want, and that the others tap the table lightly.

Ordering has changed within living memory. The tourism board notes that "in traditional dim sum eateries, bamboo steamers and other items are served from trolleys, but increasingly diners will mark up a checklist, with orders delivered direct from the kitchen", and another board article speaks of "one of the few remaining trolley-service restaurants around town". The heritage database is more direct: most restaurants today use an order sheet (點心紙), on which the small, medium, large, special and top tiers are "clear at a glance", so that waiters no longer have to count steamers one by one at the end.

Sharing is built into the portions. The board says "each order of dim sum usually contains three or four pieces, and is intended for sharing", and that dishes "arrive hot, but can be cut with chopsticks both to cool and to share". The one rule stated as a rule rather than a description is about chopsticks: "If serving others, remember to use the table's communal chopsticks, rather than your own."

The finger-tap has a legend attached, and the board tells it. The English page says "a Qing dynasty emperor used to travel in disguise and while taking his turn to pour tea during yum cha, accompanying officials showed respect by tapping three fingers". The Chinese page names him as the Qianlong Emperor and calls the gesture 叩指禮, introducing the story with 相傳, "legend has it". It is presented as legend in both languages, and it is the board's legend rather than a historical record.

Tea choices and the order sheet

The tea you choose first is the one official sources say least about. The tourism board's current dim sum pages say tea should be chosen first and that dim sum is "best paired with Chinese tea", but name no teas. An older board page from 2020 names chrysanthemum tea, green tea, Tie-guan-yin from Fujian, Dragon Well from Hangzhou, Pu-erh from Yunnan and Don-ding Oolong from Taiwan, and notes that tea is sold loose, in cakes, bricks or lumps and graded by colour, aroma and lustre.

Several teas that most yum cha guides list first are absent from the board's pages: sau mei (壽眉), jasmine and narcissus tea, and the Cantonese name for Pu-erh. That does not mean they are not served; it means no official source describes them, so this guide does not either.

The decoder below covers the terms on the order sheet and the bill. Tier prices are set by each restaurant and no official source publishes them.

On the sheet or bill Chinese What it actually is Price range
Order sheet 點心紙 Paper checklist you mark and hand to staff; replacing trolleys Not applicable
Small, medium, large, special, top 小點, 中點, 大點, 特點, 頂點 Price tiers printed on the sheet (heritage database) Set by each restaurant; not published
One cup, two pieces 一盅兩件 The old teahouse formula of tea with two dim sum (heritage database) Not applicable
Tea charge 茶芥 Per-head charge for tea and, by common understanding, condiments; no official definition HK$20 a head in one 2023 Consumer Council case
Service charge 服務費, often shown as +10% A percentage added to the bill; must be disclosed before ordering Varies; must be shown
Finger-tap salute 叩指禮 Three fingers tapped on the table to thank the pourer Not applicable
Weekly specials 星期美點 Weekly-changing dim sum menus that began in 1920s competition (heritage database) Not published

The tiers are one of the few ordering details a government body has written down. The heritage database entry on dim sum making names all five, but gives no prices and no rule for which dishes fall into which tier, so the same dish can sit in different tiers at different restaurants.

What the tea charge is, legally

No official definition of the tea charge exists. In its May 2023 report on restaurant price disputes, the Consumer Council described a case in which an order sheet said "Prices are excluded condiment fee and tea charge" and a diner who drank only hot water was billed for Chinese tea for two, HK$40. The complainant argued that the term 茶芥 "has no official definition" and is commonly understood to cover hot tea and condiments; the restaurant pointed to the last page of its menu, which listed "Chinese tea / hot water" at HK$20 a head, and refused a refund.

The Council did not rule on the definition. It pointed out that the order sheet and the menu were inconsistent, and the restaurant agreed to change its wording. The same report counted 1,160 restaurant-related complaints in 2022 and 333 in the first quarter of 2023, with price disputes the largest category at 26 and 31 per cent.

The Council's general position is clear even where the definition is not. Traders "should not hide any charges", and any extra charge must be made known before the transaction and explained or posted prominently in the shop. It adds that where tea and condiment charges or snacks are not mandatory, "consumers may choose whether to accept them", for example by telling the restaurant they do not want the snacks and returning them.

The law behind the Council's advice is general rather than specific to tea. Section 13E of the Trade Descriptions Ordinance (Cap. 362) makes a misleading omission an offence, including providing material information "in a manner that is unclear, unintelligible, ambiguous or untimely", and for an invitation to purchase it treats "the price, including any taxes" as material information. Under section 18 the maximum penalty on indictment is a fine of HK$500,000 and five years' imprisonment. No provision addresses tea charges as such.

The same report records a second kind of dispute that yum cha diners meet: a QR-code order showing a service charge of zero, followed by a receipt adding 10 per cent from 6 pm. The restaurant refunded it, and the Council advised showing such charges on the menu and prominently in the shop. The Council's 2024 guide adds a check for promotions: whether the tea charge and snacks still apply, and whether the 10 per cent is calculated on the original or the discounted price.

Dishes, sodium and what to order

The dishes themselves have an official heritage entry. Item 5.29 on Hong Kong's intangible cultural heritage inventory, "Chinese Dim Sum Making Technique" in English and 茶樓點心製作技藝 in Chinese, lists classic items including dry-steamed siu mai, crystal shrimp dumplings, rice rolls with dried shrimp, glutinous rice in lotus leaf, ma lai cake and fried glutinous dumplings. Dim sum chefs, it says, usually arrive two hours before the teahouse opens to prepare.

The same entry records how the trade has changed. Teahouses once served "one cup, two pieces" while restaurants served banquets; later the restaurants added tea sessions and teahouses were gradually replaced. Lard is being replaced for health reasons, offal items are rarer, and many chain restaurants' dim sum is made in central kitchens or made on the mainland and shipped frozen, so that restaurants making their own are "declining". Yum cha sits beside the other heritage food items the government has promoted: the heritage office's 2024 roving exhibition on local food culture featured dim sum making, steamer making and Hong Kong-style milk tea among its nine items. A separate inventory item, 5.79, covers the bamboo steamer, which the database says survived stainless steel and plastic because of its heat retention, breathability and stackability.

The way dim sum reached the table is part of the same record. Waiters once wore shoulder straps and carried large round bamboo trays, calling out the items; trolleys with built-in steamers came later, and then the order sheet. Early dim sum stressed filling the stomach, with buns, cakes, glutinous rice in lotus leaf and rice in small bowls, and in the 1920s competition between teahouses produced weekly-changing menus. Steamer makers replaced rattan stitching with copper wire and added steel rims, and part of steamer production has moved to the mainland because of labour shortages and rent, leaving Hong Kong makers mainly doing hand finishing, assembly and special sizes.

The tourism board's own history is brief. Its article on the "four heavenly kings" — siu mai, char siu bao, har gow and egg tarts — says dim sum covers "over 1,000 varieties", places the first written reference in the Book of Tang and says dim sum was common by the Song dynasty. It judges a har gow by its pleats, "at least seven pleats — but preferably 10 or more", and says the wrapper should not cling to the other dumplings or the paper in the steamer.

The food safety centre's 2022 study of 120 samples covering 12 types of dim sum gives the numbers that change ordering. Sodium averaged 330 milligrams per 100 grams, ranging from 3.0 to 680. The table below turns its results into choices.

If you want Order or do this Official figure
The lowest-sodium dish Steamed plain rice roll 66 mg sodium per 100 g
A filled rice roll Rice roll with beef or barbecue pork 160 and 180 mg per 100 g
To limit sodium from sauces Ask for sauces on the side and taste first Sauces can more than double sodium intake
To know the saltiest item Shrimp siu mai 590 mg per 100 g, highest tested
To share two classic dishes Siu mai plus spring roll with shrimp, split two ways Each person reaches 32% of the WHO daily sodium limit

The centre's advice to the public is to "request the dim sum to be served separately from sauces, and taste before deciding to dip". Its advice to the trade includes offering smaller portions, such as ordering by the piece. A 2025 follow-up found that 72 people tasting standard and 10 to 20 per cent reduced-sodium siu mai and steamed pork ribs could not reliably tell them apart.

Where official sources send you

The only teahouses this guide names are those named by the tourism board or by their own sites. Luk Yu Tea House (陸羽茶室) says on its own site that it was founded on 11 June 1933 on Wing Kut Street and moved to its present site at 24 Stanley Street in 1976 — the same Central street that holds the city's largest cluster of licensed dai pai dong. Its own site describes three floors, each with three private rooms, and spittoons beside the tables into which customers and staff could pour cold tea. Its history page says that in the 1930s ordinary teahouses charged 4 cents a head for tea while Luk Yu charged 6, an early tea charge in its own right, and that places to drink tea were then divided into 茶室, 茶樓 and 茶居, with the 茶室 the most upmarket.

The tourism board describes Luk Yu as a multi-level restaurant on Stanley Street "serving classic Cantonese cuisine since the 1930s", and gives the address as 24–26 Stanley Street. Neither Luk Yu's building nor any Stanley Street address appears on the Antiquities Advisory Board's lists of graded historic buildings.

The board's current list of six dim sum restaurants names Lin Heung Tea House, described as "serving Hongkongers for over 100 years" with dim sum from traditional steamer trolleys, together with Tim Ho Wan, Yum Cha, LockCha at Flagstaff House and Tai Kwun, Duddell's and Mott No.32. No official source reached during research confirms Lin Heung's current operating status, and its own tourism board page could not be read, so check before you go.

For the tea itself, the most official place to learn is a museum. The Flagstaff House Museum of Tea Ware, a branch of the Hong Kong Museum of Art established in 1984, is housed in a building from 1844 to 1846 that is "the oldest surviving example of western architecture in Hong Kong". Its permanent exhibition covers the history of Chinese tea drinking from the Western Zhou to the twentieth century, and in 2026 it ran free tea demonstrations of 20 seats per session. None of its pages describes yum cha etiquette.

Complaints about eating out are not rare. The Consumer Council's April 2026 report said complaints about food and entertainment had in recent years topped its complaint categories, and among its cases was a 60-minute seating limit that had not been disclosed to diners, the kind of term worth asking about at a busy weekend lunch. The food hygiene department had 12,474 general restaurant licences in force at the end of 2025, with no split between Chinese and other cuisines.

Chinese restaurants took HK$9,485 million in provisional receipts in the second quarter of 2026, up 1.5 per cent in value and 0.7 per cent in volume on a year earlier.

What this guide does not cover

Two customs are left out deliberately. The lid-open signal for more hot water and rinsing bowls and chopsticks with tea appear in no official source read for this guide — not the tourism board's English or Chinese pages, the heritage database, the tea ware museum or the Consumer Council. They may be common practice; they are not documented.

No tier prices appear, because no restaurant, regulator or statistical source publishes them. No current count of dim sum restaurants exists; the only official figure found, about 1,473 licensed premises producing or selling dim sum, dates from December 2004. The Consumer Price Index weight for Chinese restaurants could not be retrieved.

All tourism board pages returned access errors in September 2026 and were read from archived copies dated between December 2025 and July 2026, so they may have changed. The board's own page on Lin Heung could not be read at all. No food safety guidance specific to dim sum trolleys was found. The board's traditional-rituals page covers herbal tea rather than yum cha, and that drink has its own herbal tea counter guide.