The automobile interior mainly refers to the automobile products used for the internal modification of the automobile, involving all aspects of the automobile interior, such as the automobile steering wheel cover, the automobile seat cushion, the automobile foot pad, the automobile perfume, the automobile pendant, the interior decoration, the storage box, etc. are all automobile interior products. The automobile interior mainly includes the following subsystems: instrument panel system, auxiliary instrument panel system, door inner guard system, ceiling system, seat system, pillar guard system, other cab assembly systems, cab air circulation system, luggage compartment interior assembly system, engine compartment interior assembly system, carpet, seat belt, airbag, steering wheel, and interior lighting Interior acoustic system, etc.