Everyday Chinese phrase

No Problem in Chinese: 没问题, 没关系 & 没事

English “no problem” covers two different jobs, and Chinese splits them: 没问题 (méi wèntí) accepts a request, while 没关系 (méi guānxi) answers an apology. 没事 (méishì) is the casual phrase that can do both.

Accepting a request 没问题 méi wèntíAnswering an apology 没关系 méi guānxiCasual, both uses 没事 méishì

Quick answer: which phrase depends on what you are replying to

“No problem” in English does two jobs. It accepts a request — “can you help me?” — and it dismisses an apology — “sorry I am late.” Chinese uses separate phrases for these, and choosing the wrong one is noticeable.

没问题 (méi wèntí) literally means “no question” or “no issue”, and it accepts a request or confirms something is possible. 没关系 (méi guānxi) literally means “it has no connection”, and it dismisses an apology by saying the matter does not affect the relationship. 没事 (méishì) means “it is nothing”, and it works for both, in a casual register.

Chinese replies that English speakers bundle under “no problem”
Chinese	Pinyin	Literal sense	Reply to
没问题	méi wèntí	No issue	A request, or a question about feasibility
没关系	méi guānxi	No connection	An apology
没事	méishì	It is nothing	Apology or a request, casual
没事儿	méishìr	It is nothing	Same, with the northern 儿 ending
不客气	bú kèqi	Do not be polite	Thanks
不用谢	búyòng xiè	No need to thank	Thanks

没问题 accepts a request

没问题 is the phrase for agreeing to do something, and it is the closest match to English “no problem” in the agreeing sense. 帮我一下，可以吗？(Can you help me?) answered with 没问题 means yes, that is fine. It also answers questions about whether something is possible: 明天能到吗？没问题.

It sits in a neutral-to-friendly register and works in both personal and professional contexts. For a more formal agreement, 当然可以 (of course) or 好的 (all right) may fit better in writing.

没关系 answers an apology

没关系 is what you say when someone apologises. It means the matter does not damage anything between you, which is why it belongs with apologies rather than requests. If someone says 对不起 (duìbuqǐ, sorry), 没关系 is the standard reply.

For a small everyday inconvenience, Chinese often softens it further: 没事没事 (“it is nothing, really”) or 没关系的. For a serious harm, 没关系 can sound dismissive, and a more substantial reply is expected.

没事 is the all-purpose casual form

没事 is very common in speech and covers both uses. It can mean “it is nothing” as an apology reply, “it is fine” as reassurance, and “nothing is wrong” when someone asks whether something is bothering you. Context and tone do the work.

The 儿-ending version 没事儿 belongs to northern speech, particularly Beijing, and sounds more colloquial. Neither version belongs in formal writing.

Why 不客气 is not the same as “no problem”

Where English speakers often say “no problem” after being thanked, Chinese uses 不客气 (bú kèqi) or 不用谢 (búyòng xiè). 不客气 is the standard, slightly formal reply to thanks. 不用谢 is lighter. Using 没关系 after thanks would answer the wrong question, in the way that replying “don’t worry about it” to “thank you” sounds slightly off in English.

What it does not mean

没问题 is not a promise of quality or a guarantee — it confirms the task or the plan, not the outcome. 没关系 does not mean “I forgive you” in a formal sense; that would be closer to 我原谅你. 没事 does not mean “I am fine” in every context, and it should not be used to dismiss something serious.

Common mistakes

Replying 没问题 to an apology where 没关系 belongs.
Replying 没关系 to a request; that answers a question nobody asked.
Using 不客气 as a reply to an apology.
Using 没事 for a serious harm, where it sounds dismissive.
Mixing 没事 with 不客气 in formal writing.

Frequently asked questions

How do you say no problem in Chinese?

Use 没问题 (méi wèntí) to accept a request, and 没关系 (méi guānxi) to answer an apology. 没事 (méishì) works casually for both.

What does 没关系 mean?

没关系 literally means “it has no connection”. It is the standard reply to an apology and means the matter does not affect your relationship.

Is 没事 the same as 没关系?

They overlap but differ in register. 没关系 is the standard apology reply; 没事 is more casual and also means “nothing is wrong”.

What do I say after being thanked?

Use 不客气 (bú kèqi) or the lighter 不用谢 (búyòng xiè). 没关系 answers an apology, not thanks.

Is 没事儿 different from 没事?

They mean the same. 没事儿 uses the northern 儿 ending and sounds more colloquial.

How do you say “no problem” in Chinese?

It depends on what you are replying to. 没问题 (méi wèntí) accepts a request, 没关系 (méi guānxi) replies to an apology, 没事 (méi shì) is a casual all-purpose “it’s fine”, and 不客气 (bú kèqi) replies to a thank-you.

Is 不客气 the same as “no problem”?

No. 不客气 (bú kèqi) means “you’re welcome” and answers 谢谢 (thank you). 没问题 answers a request. Using 不客气 after a request, or 没问题 after 谢谢, puts the reply in the wrong slot.

Why is 不客气 pronounced bú kèqi and not bù kèqi?

Because 不 changes tone before a fourth-tone syllable. 客 (kè) is fourth tone, so 不 is read bú. The same change appears in 不用谢 (bú yòng xiè) and 不要紧 (bú yào jǐn).

What is the difference between 没关系 and 没事?

Both can reply to an apology. 没关系 (méi guānxi) is the neutral, polite default and works with strangers and colleagues. 没事 (méi shì) is lighter and more casual; it also answers “are you okay?”.

What does 没事儿 mean?

没事儿 (méi shìr) is the casual northern spoken form of 没事, with the 儿化 ending. It is fine among friends and family; many southern speakers say 没事 instead.

How do you say “never mind” in Chinese?

For dropping a topic, 算了 (suàn le) means “forget it”. 没事 (méi shì) also works when the matter was nothing. If a small mistake is involved, 没关系 can also fit.

What does 无所谓 mean?

无所谓 (wú suǒ wèi) means “it doesn’t matter to me” or “I don’t mind either way”. It expresses indifference about a choice, so it can sound cold if you use it where an apology needed a warm reply.

How do you say “you’re welcome” politely in Chinese?

不客气 (bú kèqi) is the standard reply to 谢谢. 不用谢 (bú yòng xiè) is equally safe and slightly more modest, 客气了 (kèqi le) is warm and gracious, and 小意思 (xiǎo yìsi) humbly downplays the favour.

Which reply are you answering?

没问题, 没关系, 没事 and 不客气: the reply depends on the trigger

English “no problem” covers at least four different replies. Chinese chooses the phrase from what came before it: a request, an apology, a thank-you or a small accident. Pick by trigger, not by translating the English word for word.

What you are answering, and which Chinese reply fits
Trigger	Chinese reply	Pinyin	Why it fits
Someone asks you to do something	没问题	méi wèntí	“No problem.” Accepting a request, agreeing to help or confirming that a task is fine. It is an answer, not a general greeting.
Someone apologises	没关系	méi guānxi	“It doesn’t matter.” The standard reply to 对不起 (duìbuqǐ, sorry). It releases the other person from the apology.
Someone apologises, casually	没事	méi shì	“It’s fine.” A relaxed all-purpose reply. It also answers “are you okay?” and “what’s wrong?”.
Someone thanks you	不客气 / 不用谢	bú kèqi / bú yòng xiè	“You’re welcome” and “no need to thank me.” These answer 谢谢; 没问题 does not.
Someone offers you something	不用了 / 谢谢，不用了	bú yòng le	“No need.” Declining an offer politely; 没问题 would be wrong because nothing was requested of you.
“Never mind” after a dropped topic	算了 / 没事	suàn le / méi shì	算了 drops the matter; 没事 says it was nothing. 没关系 can also work when a small mistake is involved.
“It doesn’t matter to me”	无所谓	wú suǒ wèi	Indifference about a choice, not forgiveness. It can sound cold if used where an apology needed a warm reply.
A small fault that is not serious	不要紧 / 问题不大	bú yào jǐn / wèntí bú dà	“Not serious” and “not a big problem.” Both reassure someone that the mistake carries no real consequence.

If you remember only two: answer a request with 没问题 and answer an apology with 没关系. Add 没事 when the tone should be light, and keep 不客气 for thank-yous.

没事儿, 小意思 and 别客气: the same idea at different social distances

The friendly versions and the formal versions do not trade places. 没事儿 is northern and casual, 小意思 is a humble “it was nothing,” and 别客气 tells someone directly not to stand on ceremony. Using a formal phrase in a relaxed chat can sound stiff, and using a very casual phrase with a stranger can sound offhand.

The same “no problem” idea from casual to formal
Chinese	Pinyin	Register	When it fits
没事儿	méi shìr	Casual / northern spoken	Friends, family and relaxed messages. The 儿化 (érhuà) ending marks northern speech; southern speakers often say 没事.
没事	méi shì	Casual / neutral spoken	The safe everyday form across most of China. Works for apologies, small accidents and “are you okay?”.
没关系	méi guānxi	Neutral / polite	The default reply to an apology. Safe with strangers, colleagues and service settings.
不要紧	bú yào jǐn	Neutral / slightly formal	Reassuring and a little more measured than 没事, often for a minor fault.
小意思	xiǎo yìsi	Humble / friendly	“It’s nothing.” Modestly downplays a favour or gift. Overused, it can sound performative.
别客气	bié kèqi	Polite / direct	“Don’t be so polite.” Warm when hosting or helping; can sound blunt from a stranger.
不客气	bú kèqi	Neutral / standard	The standard reply to 谢谢 and the safest written form.
不用谢	bú yòng xiè	Neutral / standard	“There’s no need to thank me.” Slightly more modest than 不客气 but equally safe.
客气了	kèqi le	Polite / warm	“You’re too kind.” Common when someone thanks you or brings a gift, especially among hosts and guests.

Formal register in Chinese is often about warmth and humility rather than long words. 客气了 and 小意思 sound more gracious than 无所谓, which is best kept for a genuine choice between options.

Pinyin, tones and writing system

没问题 / 沒問題: 拼音, 声调, 简体 / 繁体 and the 不 tone change

The 读音 (reading) matters because 不 changes tone in front of a fourth-tone syllable, and because 简体 / 繁体 forms differ for 没, 关 and 谢. Keep the pinyin, tones and writing system together so a card, tattoo or message is not mixed.

“No problem” replies: pinyin, tones and simplified or traditional forms
简体	繁体	拼音	Tone and usage note
没问题	沒問題	méi wèntí	Second + fourth + second tone. 没 becomes 沒 and 问 becomes 問 in traditional writing; 题 stays 題.
没关系	沒關係	méi guānxi	Second + first tone, with 系 unstressed. 关 becomes 關 and 系 becomes 係 in traditional writing.
没事	沒事	méi shì	Second + fourth tone. The 儿化 form 没事儿 (méi shìr) is casual northern speech.
不要紧	不要緊	bú yào jǐn	不 is read bú before the fourth-tone 要; 紧 becomes 緊 in traditional writing.
不客气	不客氣	bú kèqi	不 is read bú before the fourth-tone 客; 气 becomes 氣. The 气 is unstressed in normal speech.
不用谢	不用謝	bú yòng xiè	不 is read bú before the fourth-tone 用; 谢 becomes 謝.
别客气	別客氣	bié kèqi	Second tone in the standard reading; 别 becomes 別 and 气 becomes 氣 in traditional writing.
无所谓	無所謂	wú suǒ wèi	Second + third + fourth tone. 无 becomes 無 and 谓 becomes 謂 in traditional writing.
算了	算了	suàn le	Fourth tone plus a neutral 了. Used to drop a topic; not a reply to an apology by itself.

The 不 tone rule is the one learners miss most: 不 is bù in isolation, but bú before a fourth tone. That is why 不客气 is written bú kèqi, not bù kèqi. Cantonese also has a “no problem” set, such as 冇問題 (mou5 man6 tai4) and 唔使客氣, but those belong to 粤语 and should not be mixed into a Mandarin phrase card.

Common mistakes

Five ways a “no problem” reply goes wrong

Answering 谢谢 with 没问题. A thank-you takes 不客气 or 不用谢. 没问题 answers a request, so the reply lands in the wrong slot.
Answering 对不起 with 不客气. An apology takes 没关系 or 没事. 不客气 would sound as if the other person had thanked you.
Reading 不客气 as bù kèqi. The 不 becomes bú before the fourth-tone 客. Write and say bú kèqi.
Using 无所谓 for an apology. 无所谓 means “I don’t mind either way,” which can sound indifferent or cold when someone is trying to say sorry.
Mixing 简体 and 繁体 inside one phrase. 没問題 mixes 没 (simplified) with 問題 (traditional). Keep 没问题 or 沒問題 as a set.

Related guides

Reply phrases to learn next

Pair this page with the other side of the exchange. For apologies and their replies, use the sorry-in-Chinese guide; for gratitude, the thank-you guide; for closing a conversation, the you’re welcome guide and the goodbye guide. For everyday requests, start from a polite please and the can-you-help-me pattern.

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Related everyday phrases

No problem 没问题 / 没关系 sits among these expressions, but the polite or natural choice still depends on the relationship, time of day and whether the setting is spoken or written.

Please 请 Thank you 谢谢 You’re welcome 不客气 Sorry 对不起 Be careful 小心 / 当心 Excuse me 请问 I don’t know 我不知道 Can you help me 你能帮我吗 All everyday Chinese phrases Classical phrases and everyday expressions