Nowadays, there are fewer areas for children's activities, so many people go to the children's park. If you go to a children's park or outdoor activity center in summer, children are likely to get sunburn or heat stroke. If you have a slide or swing at home, it will satisfy the children. Children play swing slide process, can experience the different sense of touch, so as to promote the development of touch; Sliding down a slide is a child's first experience of speed. Children's experience of speed is different with different lengths and gradients of slides. Most children's initial experience of speed comes from the process of playing slides. Exercise coordination ability, enhance body control. In the process of playing swing and slide, children need to master their own balance and speed, so as to get the exercise of physical coordination ability.