Abstract: Cooperative combat for unmanned aerial vehicle (UAV) swarm is a novel warfare style, which has many characteristics such as high intelligent degree, strong situational awareness, good operational effectiveness and low cost of maintenance and task. It is the inevitable development trend for UAV to participate in future combat. This paper embarks from the concept of cooperative combat for UAV swarm, the development of this technology and its innovative achievements are summarized systematically, then the development present situation of main cooperative combat for UAV swarm projects at home and abroad is shown, the key technical problems and challenges are analyzed, and finally some innovative suggestions for the cooperative combat of UAV swarm application in the future are given.