1. Dialectical relationship between social existence and social consciousness, law of contradictory movement between productive forces and production relations, law of contradictory movement between economic base and superstructure, general law and special form of social form replacement, role of class struggle and revolution in social development, role of science and technology in social development, and role of people and individuals in history.

2. Historical materialism holds that realistic people are just personification of certain social relations, and all their properties and activities always depend on their material living conditions. Only by examining people and their activities from the surrounding material living conditions that make people like this can we describe the real process of human development on the basis of real history.

3. The method of historical materialism clearly stipulates that its research object is the general law of social development. Unlike the specific social science, which focuses on a local field and an individual aspect of social life, it focuses on the study of the general structure and development law of society as a whole. Its task is to provide the theoretical basis of historical view and methodology for each specific social science.