1, the principle of unity of science and ideology, teaching should be guided by Marxism, combined with knowledge teaching to educate students on socialist morality, correct values and world outlook;

2. The principle of integrating theory with practice, teaching should be based on learning basic knowledge, understanding knowledge from the connection between theory and practice, and cultivating practical ability;

3. Intuition principle, in teaching, by guiding students to observe what they have learned or images, to form a concrete and clear representation of related things, so as to understand what they have learned;

4. Enlightening principle: in teaching, teachers should stimulate students' learning subjectivity, learn to analyze problems and establish humanistic feelings;

5. The principle of step by step, teaching should follow the logical system of the subject and the order of students' cognitive development, and form strict logical thinking ability;

6, the principle of consolidation, teaching should guide students to firmly grasp knowledge and skills on the basis of understanding, and effectively use them;

7. Developmental principle: the content, method and progress of teaching should be suitable for the development level of students, so as to effectively promote their physical and mental development;

8. Teachers should follow the principle of teaching students in accordance with their aptitude and carry out differentiated teaching according to the actual situation of students, so that every student can get the best development.