Private universities in China have developed rapidly，promoting the massification of higher education.However， they also face a number of challenges that hinder their further development.This paper aims to analyze and diagnose the current business models of private universities from the perspective of business model innovation.It proposes strategies to promote the high-quality development of private universities by clarifying positioning，optimizing business systems， increasing revenue sources，and adjusting cash flow structures.The paper offers valuable insights for the development of private universities