Abstract: A new mathematical model for evaluating efficiency of operational command and control flow is constructed.The Flow Efficiency is defined as the measurement of information speed in process of the command information communication in some kind of command flow.We can regard the Flow Efficiency as a measure that evaluate efficiency of operational command and control flow.The Feedback always occurs in the operational command and control flow，so we provide the unlinearity feedback function that is used in the feedback flow.

摘要： 为建立作战指挥流程效能的评估模型，定义在某一种指挥流程下，指挥信息传递过程中信息流通迅速程度的度量称为指挥流的“时效”，以“时效”的大小作为衡量流程效能的高低。“反馈”是作战指挥流程中常见的情况，根据实际情况确立了“反馈”流程的非线性反馈函数。此方法为优化指挥流程提供了一种科学有效的定量分析途径。