Aiming at the teaching and training requirements of new equipments, a new kind of military teaching and training paltform for follow-up system of Self-Propelled Gun is put forward. The demand analysis, development program, design of software system and hardware sytem are discussed in detail. The data flows and control processes indicate that this simulation and training platform simulates the mechnical and electrical procedures under semiautomatic and fully-automatic mode completely and vividly. Through operating board, various circumstances and targets can be setted according to training receiver and sujects. Fault setting, detection and maintenance are convenient and easy to observe. This platform has been used in new equipment’s teaching and training and shows good effectiveness.