A large-scale equipment manufacturing case is presented to illustrate and prove validity of the presented production task scheduling model and the proposed optimization algorithm. Fourth, a game model of information sharing of virtual enterprises is proposed and strategies and methods for improving high-level information sharing are presented. 以大型设备制造实例验证了生产任务调度模型及优化算法的有效性。第四,给出了虚拟企业信息共享博弈模型及促进高层次信息共享的激励方法。