I. Introduction
Decision allocation is the decision-makin¥ function allocation of human/machine intelligent system[1]. With the technology development of computer, artificial intelligence and automation, the autonomous level of unmanned aerial vehicle (UAV) and other intelligent system is continuously growing. According the environment information, they can take optimal action after decision-making. Function allocation of decision layer has become an important research aspect of human/machine system. In the manned/unmanned aerial vehicle formation cooperative engagement field, decision allocation reasonably allocates the decision-making function of command and control (C2) system between commander and automation.