2. Legal methodology is an important part of the legal system. It has the characteristics of theoretical law, and some of its contents can be classified into the categories of human law and philosophy of law; It also has a strong practicality, so it can also be classified into the category of applied law. Although the name of legal methodology is a legal method, it is actually a method of actual judgment of related cases. After introducing the concept system of civil law, especially German law, China has agreed on the name and terminology of this subject. Therefore, the so-called "legal methodology" is not a subject about legal research methods, but a subject that studies how to apply legal norms accurately and scientifically in judicial decisions. The research object of legal methodology is the process of law application, which determines that it has a strong practical rationality and is a subject that can directly communicate legal research and judicial practice. This purpose of legal methodology also determines that legal methodology should have the characteristics of "from practice to practice" We should sum up the experience of judicial practice, and at the same time raise it to a theoretical system to provide theoretical guidance for the application of law.