All kinds of interesting toys are friends that accompany children to grow up happily. Adults also buy toys for children at different times during their development. Even if the toy is in line with the requirements in the production and testing process, the quality is safe. However, there may still be some pollution due to human causes. Such as biting, sucking, touching the toy process, there may be a "safety hazard". So adults in the choice of toys, storage toys, guide children to play with toys, cleaning and other aspects also need more attention.