Lu Yu's Classic of Tea: How the World's First Tea Book Laid Down the Rules

Tea History & Culture｜Author：祥興茶行｜Published：2026-07-15

In the Tang dynasty, tea was roasted, ground, boiled — and salted. A slim book of about seven thousand characters, Lu Yu's Classic of Tea, turned that practice into a discipline and gave tea its first rulebook.

Walk up to a tea stall in Tang dynasty China and you would probably freeze on the spot. Tea was not steeped there; it was boiled. The tea came as a pressed cake that had to be toasted over a fire, ground into powder, and dropped into a rolling kettle — with a pinch of salt. The book that turned this ritual into a set of rules, and drinking tea from a way to quench thirst into something worth doing well, runs to only about seven thousand characters: Lu Yu's Classic of Tea (Cha Jing, 茶經), the first known tea book in the world [1][4].

The Man Behind the Book: A Self-Professed "Homely Stutterer"

Portrait of Lu Yu by the Japanese painter Haruki Nanmei, Edo period, 1841 (Tenpō 12). No authentic likeness of Lu Yu survives; this is a later artist's imagining of the "Sage of Tea."

Lu Yu (733–804) came from Jingling in the Tang empire — present-day Tianmen, in Hubei — and went by the courtesy name Hongjian [3][4]. With Lu Yu, history and legend are tangled together, and it pays to pull them apart before going further.

The most reliable firsthand source is a piece he wrote at 29, the Autobiography of Instructor Lu (Lu Wenxue Zizhuan) — also the first work in Chinese literary history to carry the word "autobiography" in its title. In it he describes himself, without a trace of vanity, as plain-looking and prone to stammering, borrowing the classical phrases for "homely" and "tongue-tied." Since this is his own account, it carries real weight — though it is also the conventional self-deprecation of a Tang literatus, not a medical record [3]. More important: this autobiography, written in 761, already mentions that he had authored a Classic of Tea in three scrolls — proof that a draft existed by then [3].

The better-known stories about him mostly come from later sources and deserve a "so the tale goes" label:

Claim ｜ Fact or legend? ｜ Basis

From Jingling; courtesy name Hongjian; lived 733–804 ｜ ✅ Fact ｜ Official histories and scholarly consensus agree [4]

Described himself as plain-looking and a stutterer ｜ ✅ Fact (his own account, with conventional self-deprecating allusions) ｜ Autobiography of Instructor Lu [3]

Abandoned as an infant, raised by a monastery abbot ｜ Broadly credible; details vary between sources ｜ Official histories and the autobiography corroborate each other

Named after an I Ching divination that yielded "the wild goose gradually alights on land" (hong jian yu lu) ｜ ⚠️ Legend (recorded in the later New Book of Tang; the autobiography never mentions it) ｜ [3]

Ran away from the monastery and worked as a performer ｜ ⚠️ Legend / anecdote ｜ New Book of Tang and other later accounts

Humiliated by Li Jiqing and wrote a Treatise on Ruining Tea in protest ｜ ⚠️ As reported (anecdotal layer of the Fengshi Wenjianji miscellany) ｜ [4]

Even his titles have layers of time to them. His Tang contemporaries already called him the "Immortal of Tea." By the late Tang, tea sellers were molding him into pottery figurines and venerating him as the "God of Tea." The name we know best — the "Sage of Tea" — is a later honorific, and exactly which dynasty coined it is now impossible to pin down [4][5].

A Seven-Thousand-Character Book — Why Is It "the World's First"?

The Classic of Tea is organized into three scrolls and ten chapters, running from what the tea plant is, through how leaves are picked and processed and what equipment to use, all the way to how to boil it, how to drink it, and where the best tea grows — the first time "tea" was assembled into a complete body of knowledge [1].

The Classic of Tea at a glance: three scrolls, ten chapters [1]

Scroll One: 1. Origins (the tea plant and its nature)｜2. Tools (equipment for picking and processing)｜3. Making (harvesting and the steps of tea manufacture)

Scroll Two: 4. Utensils (the vessels for boiling and drinking — the famous "twenty-four implements")

Scroll Three: 5. Boiling (toasting the cake, grinding, choosing water, the boiling method)｜6. Drinking (how to drink tea, and its history)｜7. Anecdotes (tea lore through the ages)｜8. Regions (a ranking of tea-growing districts)｜9. Omissions (when the equipment may be simplified)｜10. Diagrams (writing the whole book out on hanging scrolls)

The very first line is a famous one: "Tea is a fine tree of the south" [2]. And the heart of the book lies in binding tea to character: tea's nature is frugal, and it "suits best those of disciplined conduct and frugal virtue" [2][5]. The tea historian Song Shilei sums up the book's contribution as a threefold revolution: it systematized tea knowledge (theory), standardized how tea was made and drunk (procedure), and elevated tea drinking into a cultivation of character (the tea person) [5].

When was it finished? Scholars have never agreed — 760, 764, 773, and 780 have all been proposed. The likeliest picture is this: a draft existed by the 760s, Lu Yu kept revising and expanding it, and the final version was settled around 780 (the first year of the Jianzhong era). One scholar puts specific numbers on it: a first draft around 765, revised and issued around 780 [4][5].

📜 A note before you quote it: the Classic of Tea we read today is not Lu Yu's manuscript. The original was lost long ago; the earliest surviving ancestor of the text is the Southern Song Baichuan Xuehai woodblock edition of 1273. Strictly speaking, every "quotation from the original" in this article is a quotation from a later collated printing [1].

Reconstructing a Tang Dynasty Cup: Grind, Watch Three Boils, Add Salt, Share the Bowls

Chapter five, "Boiling," is the most vivid part of the book. To be clear from the start: this is the Tang "boiled tea" method (jiancha), and it has nothing in common with steeping leaves in a teapot today. We brew loose leaf; the Tang mainstream pressed tea into cakes, toasted them fragrant before drinking, ground them to powder, and boiled the powder straight in the kettle [2][4].

```mermaid flowchart LR A["🔥 Toast the cake roast it fragrant"] --> B["⚙️ Grind into fine powder"] B --> C["💧 First boil bubbles like fish eyes ➕ season with salt"] C --> D["💧 Second boil strings of pearls at the rim ladle out a scoop of water"] D --> E["💧 Third boil churning, surging waves add the tea powder"] E --> F["🍵 Nurture the froth pour the scoop back in to raise the foam"] F --> G["🥣 Divide into three to five bowls drink hot, one after another"] ```

For judging how far the water had boiled, Lu Yu wrote a passage that has echoed for over a millennium: "When it boils like fish eyes, with a faint sound, that is the first boil; when bubbles rise at the rim like a gushing spring threading pearls, that is the second boil; when it churns like breaking waves, that is the third boil" [2]. Small fish-eye bubbles mean the first boil; strings of pearls at the kettle's edge, the second; a full rolling surge, the third. Boil it any longer and the water goes "old" — unusable. The true sweet spot sits between the second and third boils, which Tang drinkers called the "middle water" [4].

The full procedure is startlingly exacting [2][4]:

• Salt at the first boil: the salt was kept in its own dedicated container, the cuo gui, and measured out to the volume of water — the step in Tang tea that most surprises modern drinkers.
• Ladle at the second boil: a scoop of the boiling water was set aside for later, and that scoop had an elegant name of its own — juanyong, "the lingering savor."
• Powder in at the third boil, then nurture the froth: the tea powder went into the kettle, and just as the liquor threatened to boil over, the reserved juanyong was poured back to check it — coaxing up the fine foam on the surface, the mobo, which Tang drinkers prized as the essence of the tea. The dark film on the water was skimmed off to keep the flavor clean.
• Portion and drink in one sitting: "For each sheng of water boiled, portion into five bowls" [2]. Lu Yu adds in his own note that the count runs from three at fewest to five at most; with more guests, light another stove. One kettle serves roughly five people — and it must be drunk hot, to the end.

Just as telling: several other ways of drinking tea were circulating at the same time. There was ancha, tea simply drowned in boiling water; and there was maocha, tea boiled up with scallions, ginger, jujubes, orange peel, and mint all thrown in — closer to a tea porridge. Lu Yu recognized only the boiled method as legitimate, and dismissed the everything-in-the-pot brews as the wastewater of a ditch [4]. In other words, the Classic of Tea did more than record practice: it laid down rules in the middle of a free-for-all. From then on, there was a right way to drink tea.

What the Book Changed

The book's influence was witnessed by Tang observers themselves. Feng Yan, writing in the Fengshi Wenjianji within living memory of Lu Yu, records that after Lu Yu expounded on tea and designed his complete set of twenty-four tea implements, admirers gathered from near and far, refined households each kept a set, and — with enthusiasts like Chang Boxiong fanning the flames — "the way of tea flourished greatly," until there was not a prince or noble who did not drink it [4]. From the mid-Tang onward, tea drinking spread into everyday life: Bai Juyi alone wrote more than twenty poems on tea, and in the late Tang, Pi Rixiu and Lu Guimeng each composed a set of "ten poems on tea matters" in answer to one another. Literati made friends over tea and traded poems for it [4]. The Song writer Chen Shidao delivered the verdict in his preface to the Classic of Tea: "The writing of books on tea began with Yu; tea's service to the world also began with Yu" [4].

Looking forward: the Song dynasty evolved the practice into diancha, whisking the tea into froth (we cover it in a separate piece, [Song Dynasty Whisked Tea](/articles?slug=song-dynasty-diancha)), and the Ming and Qing turned to steeping loose leaves — the way we drink today. As for Japan: tradition holds that in the Southern Song period the Japanese monk Eisai carried tea seeds home and wrote the Kissa Yōjōki, earning him veneration as the founding father of Japanese tea. To put it rigorously, the Classic of Tea established the template for tea literature and the framework of tea-drinking culture, and — by way of Song whisked tea and the monks who carried it east — indirectly shaped the foundations of Japanese tea culture, rather than directly giving birth to the Japanese tea ceremony [6].

The Takeaway, in One Cup

1. The Classic of Tea — three scrolls, ten chapters, roughly seven thousand characters — is the first known tea book in the world. A draft existed by the 760s and the final version dates to around 780, though scholars still disagree on the exact year [1][4][5].
2. Tang drinkers drank boiled tea: cake tea ground to powder, water watched through three boils, salt at the first boil, froth carefully nurtured, the liquor shared into three to five bowls and drunk hot — a world apart from steeping tea today [2][4].
3. Lu Yu's real contribution was laying down the rules: he lifted tea from thirst-quenching and medicine into a cultural practice with its own method, its own equipment, and its own moral dimension — which is why later generations honored him as the Sage of Tea [4][5].

To see what drinking tea evolved into from there, read on with [An Introduction to the Six Tea Categories](/articles?slug=tea-sixtypes-introduction); and if chapter four's "utensils" leave you curious about their modern counterparts, see [How to Choose a Teapot](/articles?slug=how-to-choose-tea-pot).

References

1. 陸羽（唐）。《茶經》。中國哲學書電子化計劃（ctext.org）電子化本。https://ctext.org/wiki.pl?if=gb&res=584531 （現存祖本上溯南宋咸淳九年《百川學海》刻本）
2. 陸羽（唐）。《茶經》原文（一之源、五之煮、六之飲）。陸羽茶經全文網。https://chajing.5000yan.com/
3. 陸羽（唐，761）。《陸文學自傳》。維基文庫。https://zh.wikisource.org/zh-hant/陸文學自傳
4. 傅及光（2006）。《唐代茶文化之研究》。逢甲大學中國文學系碩士班碩士論文（指導教授：李立信）。頁 25–38、67–68。
5. 宋時磊（2023）。談陸羽與唐代茶文化（學者專文；宋時磊為武漢大學茶文化研究中心研究員，著《唐代茶史研究》）。https://m.newsduan.com/static/content/WT/2023-05-06/1104352490390306816.html
6. 〈榮西禪師與《喫茶養生記》〉（二手整理，僅作東傳脈絡線索）。https://www.taiwan-rotary.org/article/detail.php?id=269