Taking a scenario that the fighter which takes miniature air launched decoy (MALD) is attacked by the air-to-air missile as the background, a coordinated evasion strategy model for MALD and fighter is established in order to solve the complicated problem. Dynamical models of fighter, MALD and the motion differential equation are built. Based on the analysis of the theory of the coordinated evasion strategy, the key technologies’ models are built. The model of the coordinated evasion strategy index is built, and the method of the coordinated engagement strategy of MALD and fighter based on particle swarm optimization (PSO) is proposed. Simulation results show that the algorithm can deceive the target, and improve the probability of survival.