China implements nine-year compulsory education, that is, six years in primary school and three years in junior high school. The nine-year compulsory education system is an important part of China's education system, aiming at improving the cultural quality and moral level of the whole nation. The nine-year compulsory education system is a unified education system implemented by the state. All school-age children and adolescents must enjoy the right to receive compulsory education, which is a public welfare undertaking that the state must guarantee. The implementation of nine-year compulsory education means that school-age children and adolescents begin to receive nine-year education without tuition and fees. The state establishes a mechanism to guarantee the funds for compulsory education to ensure the implementation of the compulsory education system. Nine-year compulsory education is the current education system in China. The education system is an organic whole of all kinds of educational institutions in a country, and it is the sum of all kinds of norms or regulations needed for its normal operation. Including preschool education institutions, school education institutions, amateur education institutions, social education institutions, etc. It also includes the organizational relationship, tasks, organization and management of various institutions. The establishment subject is the country, which is the embodiment of the institutionalization of the national education policy.