Yupingfeng San is a traditional Chinese medicine formula with the effect of benefiting qi and consolidating the epidermis to stop sweating (stopping sweating by consolidating the muscle epidermis). For those who are weak and prone to colds, taking this formula can play a therapeutic role in recognizing and treating the illness, but there is no so-called miraculous effect. Jade Ping Feng San is mainly composed of astragalus, windproof, atractylodes and other Chinese medicinal herbs, the main treatment of surface deficiency spontaneous sweating (due to the weakness of the muscle surface of the frequent natural sweating), the symptoms of spontaneous sweating (involuntary sweating during the day, a little movement sweating aggravated), bad wind, the face of the color of the white (white and no luster), the tongue is pale moss, and so on. It can also be used in the treatment of people who are weak and prone to colds, but should not be used in people with wind-cold or wind-heat colds. Adverse effects are not known. In addition, Yupingfeng San should not be used in cases of external spontaneous sweating or night sweating due to yin deficiency. This formula is an ancient Chinese medical prescription, and its specific use should be guided by the physician’s diagnosis, and should not be taken blindly by those who have colds and flu.