Abstract: This paper carried on the reform and practice of teaching method on signal analyzing and processing courses in the UESTC(University of Electronic Science and Technology of China).We proposed a three-dimension(multi-object-oriented,hierarchically and internationalization)course architecture,constructed a multi-level teaching method aiming at improving the studys’ learning efficieness,formed a pattern to promote the self-discipline study and built a mixture training platform for students.Practice shows that through the reform,students change from passive learning to active learning,from learning to knowing to apply knowledge and change,enhance the level of subject construction and personnel training quality.Moreover,the quality of discipline construction and personnel training is also improved.