Courses organized by the Ministry of Education. The textbook of "Three Subjects in Secondary Vocational Schools" refers to the unified textbook for the three core courses of Chinese, history and ideology and politics in secondary vocational schools, which is compiled by the Ministry of Education. This textbook aims to solve the problem of compiling and using three core courses in secondary vocational schools, realize the unification, standardization and optimization of the textbook, and improve the quality and level of education and teaching in secondary vocational schools.