As the future plan of government has focused on smart weapon, the importance of military maintenance shop that repair the weapon increase. However, military maintenance shop has be now managed with simple mathematical calculation. So, the optimization of military repair shop management be performed with more scientistic and logical methods in this paper. Fist of all, we understand standard military maintenance shop, such as getting layout, operation rule, and more input data. After making simulation model based on the data, some independent variable and dependent variable are chosen. Next, warmup analysis be done to confirm steady state using dependent variables. Finally, the optimization set of independent variables be obtained with evolution strategy.