Legal basis: Article 18 of the Criminal Law of People's Republic of China (PRC), criminal responsibility capacity of special personnel. If a mental patient causes harmful results when he can't identify or control his own behavior, he shall not bear criminal responsibility after being identified by legal procedures, but his family members or guardians shall be ordered to strictly guard and treat him; 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.