Self-employed. According to the Regulations on the Administration of Individual Industrial and Commercial Households in People's Republic of China (PRC), it is known that selling second-hand tires is an individual business project, and it is necessary to apply for an individual business license and register a trademark with the Industrial and Commercial Bureau. Automobile tire is one of the important parts of automobile. It is in direct contact with the road surface, and together with the automobile suspension, it can reduce the impact of the automobile when driving and ensure the automobile to have good ride comfort and ride comfort.