School big bone class: school-level student organizations, student organizations above officers, and student organizations above deputy positions in secondary colleges. The second-level college is the second level (college system) in the two-level management mode implemented by universities, so it is called the second-level college.

Big bone class is the abbreviation of college students' training class. Its training goal is to train a large number of college students who are armed with the latest achievements of Marxism in China and firmly follow the Party's Socialism with Chinese characteristics ideals and beliefs, strengthen their political quality, enhance their ideological realm, optimize their ability structure, temper their style and character, and lay the foundation for their gradual growth into firm Marxists.