Military training injury is the most common type of injuries in the army. It is one of the main reasons for non-combat attrition and reduction of combat effectiveness and a major medical problem faced by the armies of all countries in the world. The rehabilitation for military training injuries in our army is at its initial stage, and there are not enough basic theory and clinical research on the application of brace. This article mainly reviews the function of brace and the role of it to the prevention, treatment and rehabilitation of military training injuries, so as to promote the application of brace in the prevention and treatment of military training injuries, so as to provide a powerful guarantee for the combat effectiveness of troops.