Abstract: Task-driven Project Case Teaching method is a teaching model of task driving and case teaching method in deep integration of in real or simulated project teaching.This paper,taking the C language program design of a practical computer class as an example,discusses the design and construction of task driven project case teaching model and its application in the teaching reform of the course.With project as the carrier,the project case is carefully designed,and the corresponding teaching objectives are integrated into the project case implementation process.Through the project task-driven,guide learner to study independently and collaborate to complete the established project tasks,thus construct the curriculum knowledge system,completely change the traditional teaching model,and realize the initiative inquiry learning based on the students as the center,based on the ability oriented and changing passive learning.