Children diligently sunbathing has more benefits, including promoting the production of trace elements in the body, improving sleep quality and disinfection and sterilization: 1, promote the production of trace elements: sunbathing can promote the production of vitamin D, vitamin D can promote the small intestinal mucosa, cell absorption of calcium, phosphorus and other trace elements. For the prevention of vitamin D deficiency caused by osteoporosis, rickets is of great significance, help bone growth; 2, improve sleep quality: sun exposure, the pineal gland of the brain will receive information, stop secreting melatonin, night when the secretion of melatonin restarted, help ensure the quality of sleep; 3, disinfection, sterilization: ultraviolet light in the sun has a disinfection, sterilization effect, can effectively kill skin bacteria The sunlight can inhibit the overactive immune system, which has a better effect on the treatment of autoimmune diseases such as psoriasis, and can also promote blood circulation and human metabolism. However, parents need to pay attention to choose the correct way to sunbathe: 1. It is advisable for children to avoid sunbathing at noon and choose a time when the sun’s ultraviolet rays are weaker; 2. Sunbathing should not exceed half an hour and change positions in time to avoid causing exposure to the same area and causing skin damage in children. Pay attention to protecting the eyes during sunbathing to avoid direct sunlight that can damage the retina; 3. Avoid sunbathing through the glass, the ultraviolet rays in the sunlight help children convert the vitamin D precursors contained in the skin into vitamin D. The glass effectively blocks the ultraviolet rays.