2, it can be said that it is easy to play and has security risks.

3. Enhance safety awareness and refrain from self-defeating and dangerous play.

Children's organs and systems are still in the process of continuous development, the tissues are immature and immature, and their bodies are vulnerable to injury and various diseases. At the same time, children's cognitive level is low, they lack self-protection awareness, they don't know what they can and can't do, and they are lively and active. So accidents are easy to happen. Therefore, it is extremely important to carry out preliminary safety knowledge education and safety self-help skills training for children.