When you have a cold, it is very suitable for sunbathing, the sun can increase the blood circulation of the human skin and internal organs, promote the body’s metabolism, and help to enhance the body’s resistance, and has a very good effect on the regulation of the central nervous system. Especially when you have a cold, let the sun on the back can help dispel the cold, enhance their own Yang Qi, to a certain extent, can promote the improvement of the condition. However, in the sun also need to pay attention to a few points: 1, the length of the sun attention to appropriate control, summer control in 15-30 minutes, winter 30-1 hour or so. 2, according to different seasons, climate change, pay attention to warmth, sunscreen and windproof, with appropriate drink more warm water can accelerate the healing of the cold. 3, the sun in the process of dizziness, headache, panic, skin burning, If you have any abnormal or uncomfortable reaction such as dizziness, headache, panic, skin burning, redness, etc. during the sunbathing process, you need to take a rest in the shade immediately and take some cool drinks or light salt water.