1. Nature: A criminal case refers to a criminal act that endangers society, violates the criminal law and should be punished by the criminal law. Belonging to the nature of class contradiction; Civil cases mainly refer to disputes about the nature of civil obligations and rights, which are contradictions among the people.
Generally speaking, the only law applicable to criminal cases is criminal law; In civil cases, the generally applicable substantive rules are the General Principles of Civil Law and Marriage Law.
3. When trying civil cases, the relevant departments usually apply the relevant provisions of the Civil Procedure Law and judicial interpretation; In the trial of criminal cases, only the relevant provisions of the Criminal Procedure Law and judicial interpretation are generally applicable.