摩擦离合器是传动系统的重要构件 ,本文采用理论推导和计算机仿真相结合的方法 ,对摩擦片的宏观磨损规律进行了研究 ,得出了具有普遍意义的理论公式并提出了具有工程应用价值的计算方法 Friction clutch is an important component of transmission system. In this paper, macroscopic abrasion law of friction plate is studied by theoretical derivation and computer simulation. The theoretical formula with universal significance is obtained and the calculation of engineering application value is proposed method