In order to adapt to the development of the times and the reform of the higher education system, private colleges and universities have become an important part of my country's higher education today, occupying a place in the higher education system. In recent years, the rapid development of private colleges and universities has formed a situation of "one‐third of the world" in the sequence of ordinary undergraduate colleges. The vigorous development of private colleges and universities has greatly promoted the popularization and popularization of higher education in my country. Teacher resources in private colleges and universities are gradually evolving into teacher capital, and their importance has a profound impact on the strategic development of private colleges and universities. The work enthusiasm of teachers in private colleges also directly affects the construction of the school's teaching staff, the level of running schools, and the future development of the school. "Courtesy" teachers and improving their work happiness have become important tasks in the organization and management of private colleges and universities. This paper conducts a questionnaire survey on the work enthusiasm and organizational support of teachers in private colleges and universities. The results show that there is a positive relationship between the work enthusiasm and organizational support of teachers in private colleges and universities. Therefore, the article puts forward suggestions on establishing and improving a reasonable salary system and performance appraisal mechanism, attaching importance to teachers' career development and promotion space, strengthening humanistic care and ensuring talent services.