Sunbathing clinically there is no specific which part of the best to say. 1. The benefits of sunbathing: sunbathing is irreplaceable for human health benefits, timely and reasonable sunbathing, can promote the body’s micronutrients, especially the absorption of vitamin D and bone formation, improve their immunity, promote metabolism and the whole life system healthy and active. 2. Sun should pay attention to: the degree of sun should be controlled by different people, such as infants and young children, teenagers, the elderly, etc., the needs of each age group and bear different, healthy and sick groups (such as skin diseases, allergies, etc.), there are different protection and requirements, time, such as avoiding direct sunlight exposure to the sun during the time period, or else it will cause harm to the body. Although there is no fixed best part of the sun, but due to individual differences, it is recommended to assess their own body, can consult a professional doctor, not blindly.