According to the Blue Book of China's Children's Road Traffic Safety, China is the largest producer of safety seats, but the utilization rate of safety seats is less than 1%. Among the traffic accidents that cause child casualties, the absence of safety seats is one of the biggest factors. With Shanghai, Shenzhen, Chongqing, Nanjing and other cities gradually incorporating safety seats into China's traffic laws and regulations, parents began to establish children's travel safety awareness, but some parents will not install or install incorrectly.