1. Sunbathing can prevent skin diseases. Proper exposure of the skin to ultraviolet rays can effectively kill bacteria on the skin and increase the skin's resistance.2. Sunbathing can enhance the body's immune function and increase the activity of phagocytes. The ultraviolet rays in sunlight have a strong bactericidal ability, and if exposed to sunlight for half an hour or a few hours, general bacteria and some viruses will be killed.3. Sunlight also plays a role in regulating the rhythm of human life and psychology.4. Sun exposure promotes blood circulation in the human body, enhances the human metabolism, regulates the central nervous system, and makes the human body feel relaxed and comfortable.5. Ultraviolet rays from sunlight can also stimulate the bone marrow to produce red blood cells and improve hematopoietic function, thus preventing anemia.

Disadvantages:1. It is easy to cause the skin to become darker.2. Excessive sunlight exposure can easily lead to skin cancer. Excessive UV radiation can make people unresponsive.