Tank brigade is a primary tactical corps composed of various services and arms with tank detachment as the main body, and usually acts in the superior organization. When fighting in plains and moderately undulating areas, it is generally concentrated. When performing tasks on complex terrain such as mountain jungle, water network paddy field, etc. , can be divided into camps. In offensive operations, the tank brigade can not only serve as the reserve team and the first echelon of the superior, but also serve as the advance detachment and the deep assault group. As an advance detachment, it is mainly to implement rapid maneuvers, seize favorable terrain and control tactical points; As a deep assault group, the main task is to use the breakthrough achievements of the first echelon to quickly penetrate the enemy's depth, destroy key targets, divide the enemy's deployment and destroy its defense system.