Based on the conflict theory of sociology, the theory of educational conflict studies the social function of education from the perspective of social class and interest group conflict. It is believed that the main characteristics of society are conflict and imbalance; There are different levels of conflicts of interest between different social strata, and education also reflects the nature and interests of the strata; Social system is divided into ruling group and subordinate group, and the power struggle between them is an important phenomenon in social life; School education is the product of class conflict, which reflects the social relations of production and class structure. The professional division of labor based on class structure has formed the unique culture of each class. The representative figures are Collins, Samuel Bowles, and Hector Quintis, all of whom are very important.