Under normal circumstances, sun exposure does not cause fire. Fire is mostly caused by their own lack of water and bad living habits. Usually sunbathing is good for people, it can unclog the meridians, promote metabolism, and also replenish calcium. Getting on fire in the process of sunbathing indicates that it is your own physical problems. It may be due to their own bad habits, such as often eat spicy and stimulating food, do not like to drink water, often stay up late, resulting in the body is easy to fire, lack of water, poor body metabolism, immunity decline, so sunbathing is easy to cause fire. It is recommended to cultivate good habits in daily life, drink more water every day to replenish the body water, eat more fruits and vegetables, eat more vitamins and dietary fiber-rich food, do not stay up late, more exercise, enhance immunity, increase metabolism, reduce the chance of fire.