The first-level college refers to the university itself, and the second-level college is divided into two concepts: one is the second-level teaching unit of ordinary colleges and universities. Second, it refers to the secondary colleges at the undergraduate level organized by some ordinary undergraduate colleges in accordance with the new mechanism and model, also known as independent colleges. The first-level college refers to the university itself, and the second-level college is divided into two concepts: first, it refers to the second-level teaching unit of ordinary universities, which does not have the qualification to enroll students independently and issue diplomas; second, it refers to the second-level college at the undergraduate level organized by some ordinary universities in accordance with the new mechanism and model, that is, independent college, also known as independent second-level college. A secondary college does not mean an independent college. Independent colleges have independent campuses and basic school facilities, implement relatively independent teaching organization and management, enroll students independently, issue academic certificates independently, and conduct independent financial accounting. Having the qualification of an independent legal person and being able to bear civil liabilities independently. As a new mode of running a school, it is the inevitable product of the transformation of higher education in China from elite education to mass education. Undergraduate course in principle. Through ordinary enrollment, the admission score is appropriately lowered and the charging standard is raised.