Scraping will affect the aesthetics, if long-term scraping or improper operation will cause muscle tissue damage. Gua Sha therapy is based on the theory of Chinese medicine skin, using the edge of the blunt and slippery special apparatus in the human skin surface for repeated scraping, until the subcutaneous appearance of petechiae or ecchymosis, to achieve the dredging of meridians and collaterals, blood circulation and stasis (to promote the blood run, eliminating the body of blood stasis) of the role of the gua sha therapy in the clinic is widely used. Scraping will leave marks on the skin, affecting the aesthetic, and if the body surface has boils, breakouts, sores, carbuncles, spots and unexplained lumps of the parts prohibited scraping, otherwise it will lead to infection and spread of the wound. Prolonged scraping or improper operation can also cause muscle damage and pain. Patients should be careful to choose to scrape, scraping direction, order, techniques, intensity, time and operation before and after the precautions are delicate, should be operated by a professional physician, so as not to cause adverse consequences.