With the development of military information construction, information power has become a new growth point of military combat effectiveness. The future military construction will combine more and more modern information means. And the innovation of big screen display technology also injects fresh blood for army informatization construction. Information visualization plays an important role in daily training and operational command of troops. The real-time graphical representation of mass information in the large-screen display system provides strong support for decision-making and efficient and rapid transmission and feedback for the command. In recent years, micro-spacing LED display technology has gradually matured and improved, and more and more are applied in the army construction.