In order to infer the behavioral intention of airborne multifunctional radar, a working mode transformation model was studied, and an intention inference algorithm was designed based on LSTM. A pattern transformation simulation dataset was constructed, and the intention inference practice of airborne multifunctional radar was carried out. The research results indicate that time length and batch processing rate have a significant impact on the final prediction results. When the timing length is set to 60 and the batch processing rate is set to 20, the prediction accuracy can mostly be maintained above 85%, which lays an important foundation for determining combat actions and countermeasures in actual combat.