Legal analysis: the difference between public security cases and criminal cases lies in their different nature: public security cases are less harmful to society, do not constitute a criminal offence, do not bear criminal responsibility, but bear public security penalties, that is, administrative detention and fines; However, if a criminal case constitutes a crime, it is more harmful to society and needs to bear criminal responsibility, that is, fixed-term imprisonment, death penalty, life imprisonment, etc. Public security cases are illegal and not criminal. Criminal cases are both illegal and constitute a crime. * * * Sex is illegal.
Legal basis: Article 2 of the Regulations of the People's Republic of China on Administrative Penalties for Public Security disturbs social order, endangers public safety, infringes on citizens' personal rights and infringes on public and private property. According to the provisions of the Criminal Law of People's Republic of China (PRC), if the case constitutes a crime, criminal responsibility shall be investigated according to law; If it is not serious enough for criminal punishment and should be punished for public security management, it shall be punished in accordance with these regulations.