Abstract: In the complex actual combat environment, the uncertainty of the prior information of the radar makes it difficult to meet the performance requirements, and the interference is more intelligent, which further reduces the detection performance of the radar in actual warfare. In order to improve the detection performance of electronic warfare radars, a radar game waveform design method based on mutual information and signal-to-interference-plus-noise ratio weighting criterion is proposed. First, weighting criterion for mutual information and signal-to-interference-plus-noise ratio is established, and then the radar and jamming game model based on the above criterion is designed. Finally, the maximum marginal reallocation algorithm is proposed to solve the repeated game dilemma and refine the Nash equilibrium. Simulation experiments verify the effectiveness of the proposed method.