Optimization of ABC Classification Method for Automobile Spare Parts based on DEA

In recent years, the prospect of the Vehicle market is worrisome. The development of automotive aftermarket business has become the core of 4s stores. And the spare parts in stock are the key part of the aftermarket. Therefore, it is very important for the development of the aftermarket to make a good classification of spare parts. Aiming at the problem of the variety of spare parts and Improper management, this paper built ABC Classification method for Automobile spare parts based on DEA taking the 4s store of Beijing Citroen brand as an example to optimize the classification method of spare parts in 4s store. The rationality of the method is proved by comparing with the traditional / original method.