You can put stickers on your body, but you must abide by the relevant regulations.

Annual inspection requirements for vehicle stickers:

During the annual vehicle inspection, there are requirements for the area and location of the stickers. Car stickers with reflective logos cannot be affixed; secondly, the area of ??the car sticker must not exceed 1/3 of the entire vehicle area, and the front and rear windshields and rearview mirrors must not be affixed with car stickers. Buses, dangerous goods transport vehicles, school buses, engineering vehicles and other special vehicles. In addition to the prescribed signs, no vehicle stickers are allowed, otherwise the vehicle will fail the annual inspection.

Legal provisions:

Article 13 of the "Regulations on the Implementation of the Road Traffic Safety Law of the People's Republic of China" stipulates: "Motor vehicles shall not spray or affix signs or body advertisements. It does not matter if it does not affect safe driving or significantly changes the appearance of the vehicle. For example, you cannot put slogans on the rearview mirror and rear glass, or cover the entire vehicle with slogans, so that the original appearance of the vehicle cannot be seen.