Aiming at the short-time,high dynamic and nonlinear characteristics of the flexible networking in the process of intercepting unmanned aerial vehicle (UAV) target by joint nets,the mechanical model of flexible net and the dynamic model of air joint networking are established.Combined with the constraints that need to be considered in the process of intercepting target,the evaluation indexes for the performance of the networking acquisition method are proposed.The multi-objective optimization algorithm based on decomposition is used to optimize the launch parameters of the joint combination of multi flexible nets.The optimal configuration parameters of two flexible nets joint launch,three flexible nets joint launch and four flexible nets joint launch are obtained through simulation test.The results show that the algorithm is reasonable and effective.It can provide a theoretical reference for the design of key parameters of flexible nets in air joint networking.