你是做什么的？

Just drop this line after you have exchanged names. You can say it to a new friend at a party. You can use it when meeting a friend's cousin. Simply point the question at the person you are curious about. It is very flexible. You do not need to add fancy grammar. Just make sure your tone is curious, not like a police interrogation. If you want to be extra polite, add a smile.

Use it in any casual or semi-formal setting. It is perfect for networking events. Use it when you are sitting next to a stranger on a long train ride. It works great at a dinner party when you run out of things to say about the weather. It is the ultimate icebreaker for adults. Even if you are just texting a new language partner, this is a safe bet.

Avoid using this in very high-stakes formal ceremonies. Do not use it if you are talking to someone much older or of much higher status. In those cases, use the more respectful version 您是做什么工作的？. Also, do not ask this if the person is clearly working—like a waiter serving your food. That just makes things awkward for everyone. Avoid asking it if you are in a situation where money or status is a sensitive topic.

In China, asking about work is not considered prying. It is a sign of genuine interest in your life. Work is a huge part of identity in Chinese culture. People often define themselves by their contribution to society or their company. Unlike some Western cultures where 'shop talk' is avoided at parties, Chinese people love to discuss their industries. It is a way to find common ground or mutual connections.

If you want to sound more professional, say 你是做什么工作的？. If you are talking to a student, you might ask 你是学什么的？ (What are you studying?). If you want to be super casual with a close friend, you can just say 你干嘛的？. Be careful with that last one, though. If said with a grumpy face, it sounds like 'What the heck are you doing?'. Stick to the standard version until you are a pro.