Legal basis: Article 18 of the Criminal Law of People's Republic of China (PRC), if a mental patient causes harmful results when he can't identify or control his behavior, and is confirmed by legal procedures, he shall not bear criminal responsibility, but his family members or guardians shall be ordered to take strict care and medical treatment; When necessary, the government forces medical treatment. Intermittent mental patients who commit crimes when they are mentally normal should bear criminal responsibility. If a mental patient who has not completely lost the ability to identify or control his own behavior commits a crime, he shall bear criminal responsibility, but he may be given a lighter or mitigated punishment. A drunken person who commits a crime shall bear criminal responsibility.