The relationship system between education at all levels and the outside world. The education system mainly includes school-running system, investment or input system, resource allocation mechanism, educational system, proportional principle of education at all levels, adjustment mechanism and management system. It refers to the relationship system between education at all levels and with the outside world. From a systematic point of view, education is an open system, and the education system is an "order" or basic rule that is interrelated among various elements in the education system and with other social systems. Education system is the combination and unity of education system and educational norms, which is composed of education system and educational norms.