Automobile aftermarket refers to all kinds of services in the process of automobile use after automobile sales, covering all services that consumers need after buying a car. That is to say, in the process from sale to scrapping, a series of trading activities have been produced around various subsequent needs and services in the after-sales use of automobiles. The earliest classification of automobile aftermarket is according to the order of automobile sales, and the automobile aftermarket industry is referred to as automobile aftermarket for short. The automotive aftermarket can be divided into seven major industries: auto insurance industry; Automobile finance industry; Automotive IT industry; Automobile maintenance industry (car products, supplies, beauty, quick repair and modification); Automobile maintenance and parts industry; Automobile culture and automobile sports industry; Used car and car rental industry.

With the gradual increase of vehicles, the prospects of each category are very broad, mainly depending on personal business philosophy and word-of-mouth building.