I. Introduction
The purpose of the target allocation, with the principle of the target allocation, is to maximize the characteristics of a large variety of air defense weapons, which are distributed reasonably and effectively, and earn the smallest loss and the maximum lethality to defense our positions effectively in the complex air defense war of wide airspace, full time domain, all-round, multiple types of airplane, multi-wave. It is essential to seek the optimal solution of the target allocation, because the rationality of target allocation is closely related to the tactical effect and the play of battle effectiveness. This also has been a concern of many experts.