To solve the problems in teaching Computer Network Courses to ICT majors in Xichang University, to improve the teaching quality and promote students'' network engineering practical ability and quality, we analyze the teaching objectives and teaching problems for computer network courses, aiming at students'' ability development through innovative reforms of teaching content, teaching methods and teaching evaluation. We add cutting-edge knowledge, examples of computer networks in the 408 postgraduate examination and ideological and political elements to our teaching materials, and adopt approaches of online and offline integration, project-oriented education, industry and education integration, course and certificate integration, and introduction of teaching evaluation into process assessment. It''s proved that our program has indeed promoted the teaching quality and students'' ability, which can serve as reference for the teaching reform of relevant courses.