According to the traffic law, as long as there is a seat belt in the car, you should wear it when riding or driving. Therefore, as long as there is a seat belt in the back row in Guangzhou, it needs to be fastened. The following is an introduction to seat belts: 1. Meaning: Safety belt is a safety component used in equipment, and it is a belt used to ensure safety when riding a car or an airplane or working at high altitude or performing technical performances. 2. Composition: Seat belts not only refer to webbing, but also include other parts. 3.2021March 2, Liu Zhao, Vice Minister of Public Security, said, "It will promote the implementation of seat belts for passengers in the back of cars."