Aiming at the command and control decision-making problem in complex battle scenes,a command and control decision-making method for multi-task process is proposed based on the decision tree theory.Firstly,the judgment process of OODA loop theory is analyzed in detail,and the judgment model is generated by constructing decision tree.The decision tree invokes the multi-task process service in the decision process and generates judgment results.The commander makes command decisions according to the judgment results,so as to realize the intelligent decision-making of the machine under the control of human.Through the verification and analysis of this method,it shows that this method has the characteristics of high-level interpretability,accurately expressing the commander′s operational intention and flexibly constructing operational strategies.