Ballistics simulation and launch envelopes simulation are key means of designing and verifying Air-to-Air Missile (AAM) performance.The two independent means of simulation are designed in architecture matched in interface and integrated in system.An integrated simulation system for AAM ballistics and launch envelopes is designed and validated.Experimental results show that the integrated simulation system can comprehensively complete ballistics and launch envelopes simulationwhich significantly improves the efficiency and quality for the designsimulationanalysis and assessment of AAM performance.