Abstract: Actively exploring the internal quality assurance system of private higher education is a necessary measure to meet the requirements of the state on the quality of colleges and universities, as well as a necessary condition for the steady improvement and sustainable development of school education and teaching quality. However, there are still some problems in current system construction that need to be solved. This paper mainly constructs the internal quality assurance system to adapt to the development of the school from several aspects, and strives to solve the problems existing in the system construction, to establish a systematic, rigid and normalized internal quality assurance system.

Key words: Private colleges, Internal quality, Assurance system