Legal analysis: Those who enter the police station after fighting may be subject to civil, administrative and criminal liability. Whether they are subject to administrative detention, fines or criminal liability must be judged based on the circumstances of the case. If it does not constitute a crime, the public security organ will detain him or her for not more than 15 days or impose a fine of not more than 1,000 yuan; if it does constitute a crime, he or she will be held criminally responsible in accordance with the law.
Legal basis: "Article 234 of the People's Republic of China and the National Criminal Law" who intentionally harms the body of others shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or surveillance. Those who commit the crime in the preceding paragraph shall Those who cause serious injuries to others shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years; those who cause death or serious injuries and severe disabilities by particularly cruel means shall be sentenced to fixed-term imprisonment of not less than ten years, life imprisonment or death if otherwise provided for in this law. According to regulations.