In order to solve the problem of few quantitative analysis methods for the equipment support organization structure of China’s synthetic brigade, the information entropy theory was used to establish an indicator evaluation model of the organizational structure’s timeliness, quality, order and flexibility. Comparatively analyze the indicator characteristics of the organization structure of the equipment support of the Chinese and US army brigade. The research has certain credibility and pertinence, and can provide a reference for the construction of synthetic brigade equipment support organization structure.