Criminal law is an important course of law education in Colleges and universities. It is the basic course and the required course of the legal profession. Through learning this course, students are required to comprehensive and systematic grasp the basic principle of the criminal law of the people's Republic of China, basic knowledge and basic methods; master the preliminary criminal law analysis technique, with the preliminary analysis, provides the theory, viewpoints and methods of knowledge and ideological conditions for law professional study and research. The study of law should pay attention to the following points: first, we must adhere to the basic ideas and methods of dialectical materialism and historical materialism, from the reality, the fact is realistic, the basic principle of combining theory with practice. Second, to be good at using the method of comparison. By means of comparative research methods, to broaden the research of criminal law field of vision, enhance understanding to various criminal theory and criminal legislation, judicial practice and master, and from the analysis of quality, absorb the experience and lessons, to improve our criminal legislation and judicial practice status. Third, to adhere to the theory and practice of the method. Criminal law is the legal science theory and practice are very strong. Rich in criminal legislation and judicial practice is the source of the theory of criminal law. The theory of criminal law can only be used in the practice of the specific test, enrich and develop. On the other hand, the theory of criminal law can be directly to the right of criminal legislation and judicial practice of service. Therefore, the course in teaching, not only to better teach students in accordance with their aptitude etc. basic teaching principles, the full implementation of the heuristic teaching method, and in particular the between the student and the teacher, discussion, exchange and communication. Especially in order to cultivate students' independent thinking ability.