How to Say Happy Birthday in Chinese

By Ray Banks·July 4, 2026·Phrases

Happy birthday in Chinese is 生日快乐 — shēngrì kuàilè (Traditional: 生日快樂). Say it to anyone: a friend, a coworker, your teacher, a five-year-old. If you want it to sound like a wish rather than a label, put 祝你 in front — 祝你生日快乐, zhù nǐ shēngrì kuàilè, "I wish you a happy birthday" — which is also the line you sing.

Saying happy birthday to a friend

Among friends the phrase is used bare — no pronoun, no wind-up. You call out 生日快乐！as they walk in, or type it into a group chat with a cake emoji. The variants below add flavour rather than politeness; Chinese doesn't need a separate register here the way English needs "many happy returns."

Saying happy birthday to a boss, teacher, or client

The upgrade is a single character: 你 becomes 您 (nín), the respectful "you." Then you stack a second wish that fits the relationship — health for a teacher, smooth business for a client. Chinese good wishes work like building blocks: 祝您 plus as many four-character blessings as the occasion deserves.

Saying happy birthday to a grandparent or an elder

This is where phrasebooks stop and real usage begins. To someone in their seventies, 生日快乐 on its own can land a little light — the culturally weighted wish is longevity. Once an elder passes sixty, their birthday is often called a 大寿 (dàshòu, "great birthday"), and the vocabulary shifts to 寿 shòu, the character for long life.

Saying happy birthday to a child

Children get growth wishes rather than longevity ones, plus the two verbs that run the whole party: 许愿 (xǔyuàn, to make a wish) and 吹蜡烛 (chuī làzhú, to blow out the candles).

How do you sing happy birthday in Chinese?

Same tune, one line, four times. That's the entire song:

Two things trip learners up mid-song. First, the melody's third line carries the name in English ("happy birthday dear Ana"), but the Chinese simply repeats the same six syllables, so the name drops out — you may hear a family improvise 祝你永远快乐 (zhù nǐ yǒngyuǎn kuàilè, "may you always be happy") there instead. Second, 快乐 is kuàilè, not "kuài-yuè": the character 乐 has two readings, lè "joy" and yuè "music," and 音乐 (yīnyuè) is where the second one lives. Characters with two readings are exactly what context fixes and flashcards don't — which is the argument for reading practice over drilling.

Which birthday phrase should I use? A quick comparison

生日快乐: what each character means

Four characters, and every one of them is a workhorse you'll meet constantly elsewhere — which is the real reason to take the phrase apart instead of memorizing it as a blob.

• 生 shēng — to be born, to live; also "raw," and the 生 in 学生 (student). Across the 658 graded stories in the Literate Chinese catalog (July 2026), 生 is the 46th most frequent character, appearing 580 times.
• 日 rì — sun, and by extension "day." The character is a pictograph of the sun. 生 + 日 = "the day you were born."
• 快 kuài — fast; inside compounds it carries the older sense "pleased, gratified." 快 ranks 121st in the same corpus, with 243 appearances.
• 乐 lè (Traditional 樂) — joy. Read yuè, the same character means music. 快 + 乐 = "happy."
• 祝 zhù — to wish, to invoke a blessing. The left side is 礻, the altar radical you'll also see in 礼 (ritual) and 福 (fortune) — a hint that 祝你… is literally an invocation, not a throwaway verb.

How do you talk about age in Chinese?

Age is a number plus 岁 (suì) — and, crucially, no verb. Chinese treats age the way it treats adjectives: 我二十五岁, "I twenty-five years-of-age." Inserting 是 is the single most common beginner error in this topic.

Then there's the wrinkle nobody warns you about: 虚岁 (xūsuì), nominal age. In the traditional reckoning a baby is 一岁 at birth and gains a year at Lunar New Year rather than on their birthday, so a grandmother's 虚岁 can run one or even two years ahead of her passport age (called 周岁 zhōusuì, or 实岁 shísuì). If an elderly relative says they're 80 and the arithmetic says 78, nobody in the room is confused — they're simply counting a different way. You'll meet 岁 in plain narrative too: the free story The Little Mermaid opens with 十五岁那年, "in her fifteenth year."

Numbers themselves deserve their own half hour — the tens, the 万 grouping, and why 两 and 二 are both "two" are all in how to count in Chinese.

Birthday vocabulary you'll actually use

Birthday culture: noodles, red envelopes, and the clock you must not give

The most useful cultural fact for a learner is the gift taboo, because it's easy to trigger by accident and impossible to walk back. Never give a clock. 送钟 (sòng zhōng, "to give a clock") is homophonous with 送终 (sòng zhōng, "to see someone off at the end of life"). A wristwatch (手表) is fine; a wall clock is not. Sharp things — knives, scissors — imply cutting a relationship. Umbrellas (伞 sǎn) echo 散 sàn, "to part," and pears (梨 lí) echo 离 lí, "to separate," which is also why one pear rarely gets shared between two people. Anything grouped in fours gets skipped, since 四 sì shadows 死 sǐ. You don't have to believe any of it; it's the local grammar of gift-giving, and getting it right reads as thoughtfulness.

What's welcome instead: a 红包 with an even amount in it, ideally containing an 8; fruit; tea; or something small and personal. On the table, 长寿面 — long noodles eaten without biting the strand — and, at a proper 大寿 for an elder, 寿桃 (shòutáo), peach-shaped buns that stand for immortality.

Two more differences from a Western birthday. Many families, especially older generations, keep the birthday on the lunar calendar (农历 nónglì), so the Gregorian date drifts each year and a relative may celebrate "late." And in plenty of friend groups the 寿星 hosts — picks the restaurant, picks up the bill — rather than being taken out. There's also an older sensibility, less common now, that treats a birthday as 母难日, "the day your mother suffered," which makes thanking your parents part of the occasion.

Between Mainland China and Taiwan the phrase itself doesn't change: 生日快乐 and 生日快樂 are the same words in two scripts, with the same pronunciation. The differences sit at the edges — 生快 is Mainland internet shorthand, and a Taiwanese family that speaks Hokkien at home will still usually sing the Mandarin song. If you're deciding which script and which accent to learn in, we lay out the trade-offs in Taiwan Mandarin vs Mainland Mandarin and Traditional vs Simplified Chinese.

Mistakes to avoid

• 快乐生日 ✗ → 生日快乐 ✓. English word order doesn't survive the trip. Chinese puts the topic first and the quality after it: birthday–happy. The same shape gives you 新年快乐 (Happy New Year) and 圣诞快乐 (Merry Christmas).
• Saying "kuài-yuè" instead of kuàilè. 乐 is lè here. If you learned 音乐 (yīnyuè) first, the yuè reading will try to escape at exactly the wrong moment.
• 我是二十五岁 ✗ → 我二十五岁 ✓. Age takes no 是. Save 是 for nouns (我是老师), not for a number of years.
• Asking an adult 你几岁？ 几 implies a single-digit answer, so it reads as talking to a child. Use 你多大？with peers, 您多大年纪？with anyone visibly older.
• Giving a clock — or wrapping the gift in white or black. Red and gold are celebratory; white and black belong to funerals. When in doubt, red envelope.

Learn it the way it actually appears

A phrase page can hand you 生日快乐 in thirty seconds, but the characters inside it only stick once you've bumped into them in twenty other sentences — 生 in 学生, 日 in 星期日, 快 in 很快, 乐 in both 快乐 and 音乐. That's what graded reading does to vocabulary: it turns isolated phrases into a web of half-familiar characters, so each new word arrives already 60% known. Start with a free beginner story like Playing Ball Together, which ends on 很快乐, or browse the rest of our Chinese phrases guide for the situations this post doesn't cover.