The personnel management system in universities is playing an increasingly important role in the management of university teachers. However, traditional personnel management systems only focus on the collection of basic information and simple statistics of tables, there is a lack of research and practice on the personalized needs by universities, especially teacher performance management. Based on the personnel management system of a university, this paper summarizes the needs of the personnel management system and the needs of teachers' performance management, carries out theoretical analysis and system design, and finally implements the system based on Java technology, Spring Framework, Mybatis and other technologies. The practical results show that the system functions well to meet the needs of the university for personnel system management.