This paper analyzes the characteristics of the project-based curriculum and the teaching of higher vocational education. Taking the project-based curriculum as the breakthrough point, and starting from the professional characteristics, this paper investi- gates the principles of the project-based curriculum teaching design of C Language Programming, puts forward the teaching strate- gies of constructing the integrated teaching environment and multi-directional teaching environment, and explores the whole process assessment system of teaching, learning, doing, examination with integrated knowledge, ability and accomplishment.