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Call the police and don't hit back when a conflict starts; the one who throws the first punch almost always loses

  • High value
  • Evidence A
  • Keeps you free
  • Free
  • Takes minutes
  • Some willpower

In plain words

Hitting someone brings detention of 5 to 10 days (拘留) and a fine of 500 to 1,000 CNY. Hitting in a group, hitting an elderly person, a pregnant woman, a child or a disabled person, or hitting people repeatedly brings detention of 10 to 15 days and a fine of 1,000 to 2,000 CNY. Causing a minor injury (轻伤) is a criminal case with a sentence of up to 3 years, and a serious injury (重伤) 3 to 10 years. When two people hit each other, it is not justified self-defense (正当防卫), and the one who struck first almost always comes off worse. Moving to a place with people around and calling the police works better than fighting back.

Cost

Free. Move to a place with people around, call the police, and let the other person's actions be caught on camera. The hard part is holding back from talking back or shoving.

What you get

Beating another person or intentionally injuring them brings detention of 5 to 10 days (拘留) and a fine of 500 to 1,000 CNY. Hitting in a group, hitting an elderly person, a pregnant woman, a child or a disabled person, hitting repeatedly, or hitting several people at once brings detention of 10 to 15 days and a fine of 1,000 to 2,000 CNY. A group fight is handled as picking quarrels and provoking trouble (寻衅滋事, meaning causing trouble for no reason or stirring up a disturbance), with up to 15 days of detention and a fine of 2,000 CNY. Intentionally injuring another person's body, where it amounts to a crime, brings up to 3 years, and 3 to 10 years if the person is seriously injured. When two people hit each other, the law calls it mutual fighting (相互斗殴), and it is not justified self-defense. But if the other side struck first and used clearly excessive means, or you had already tried hard to get away and the other side kept hitting, your counterattack is generally recognized as self-defense. Only going too far in fighting back is excessive defense (防卫过当), which requires both of these: clearly exceeding the necessary limit, and causing major harm. Even when it really is excessive, punishment should be reduced or waived (China; Public Security Administration Punishments Law (治安管理处罚法) in effect since January 1, 2026)

Notes

After the 2025 revision of the Public Security Administration Punishments Law, the article numbers all changed. Beating another person moved from old Article 43 to Article 51, so materials that cite the old numbers are out of date. How a "minor injury" is measured for "a minor injury leads to a sentence" is set by the forensic assessment standard, which this section has not verified. Once the other person is down, or has run away, the attack has stopped, and if you chase and hit them then, it is no longer defense. Carrying a knife, a baton or a stun device for self-defense can get you fined in an ordinary inspection; see §9.26 (don't buy a baton or stun device for self-defense).

Evidence grade
A : Specific numbers from meta-analyses, large cohorts or randomized trials; for law and policy, the statute or official text.
Sources
  1. 全国人大常委会 (2025). 治安管理处罚法(2025 年修订,第三十、五十一条). https://www.spp.gov.cn/spp/fl/202506/t20250627_699863.shtml
  2. 全国人大 (1997). 刑法(第二十、二百三十四条). https://www.spp.gov.cn/spp/fl/201802/t20180206_364975.shtml
  3. 最高人民法院、最高人民检察院、公安部 (2020). 关于依法适用正当防卫制度的指导意见(法发〔2020〕31 号,第 6、9、11、14 条). https://www.court.gov.cn/zixun/xiangqing/251611.html

Translated from the Chinese original. Original book, section 8, tip 10. This section describes legal rules, mostly mainland China’s. It is general information, not legal advice; for your own case, talk to a lawyer. Content may be out of date and rules differ by place. When you actually deal with an agency, a doctor or a court, follow what local officials, doctors and lawyers tell you. Disclaimer