Objective:To provide optimal decision-making for military health service and to increase the speed for and efficiency for health service decision-making.Methods: The optimized decision-making was achieved based on the geographic information system,decision-making support system and related decision-making model.Results: Every subsystem had the functions of searching,counting,and analysis.For example,the optimal decision-making function was achieved by selecting the shortest evacuation path.Conclusion: Each subsystem provides the health service commanding officers with the optimized decision-making scheme,which can be of great help in improving the quality and speed of military medical service commanding.