As an auxiliary link of theoretical teaching，experimental teaching is an important means of cultivating students’ innovative spirit and practical operational ability． combine Combining experimental teaching with“curriculum ideological and political”，and introducing ideological and political elements into teaching of the course are conducive to enriching experimental teaching content，innovating experimental teaching methods，and improving the quality and effect of experimental teaching． This paper explores the implementation of Curriculum Ideological and Political in the experimental teaching of Signals and Systems， and employing the ideological and political elements sufficiently in experimental teaching，which makes experimental teaching and ideological and political theory courses develop hand in hand．