For the demand for informatization and flowing of management of teaching assistants(TA) in the university, the TA management system based on Symfony2 is designed and implemented. This paper introduces the present situation and the improvement direction of the TA management of our university, and then summarizes the functions of the TA management system based on Symfony2, finally focuses on the design and implement of the database, reminding and job evaluation module of the system. At present, the system can run stably for two semesters in our university, which provides the university with a reliable process of TA's work evaluation and saves the cost.