In order to improve the whole fighting efficiency better, adopt the man-machine interface theory to design the display of the vehicle weapon system. It designed the appearance, size, interface arrangement, background color and contrast ratio of the display according to the general idea, people’s vision movement rule, basic fundamental and request of display design so that the passenger can obtain information more comfortable, fleetly. It also can offer certain reference to the collectivity design of the vehicle weapon system that improves the comprehensive fighting efficiency of the weapon system.