After scraping the recommended 6 hours or so can take a shower, due to the variability of personal circumstances, can not be generalized. Gua Sha method is based on the theory of Chinese medicine meridian skin, the use of gua sha apparatus in a certain part of the body surface scraping, in order to prevent and control disease method. As the patient after scraping Gua Sha, skin pores are in the open state, if too early to take a bath, may lead to cold invasion of the human body, the body caused some harm. It is generally recommended that the patient after scraping Gua Sha about six hours, before bathing, but need to pay attention to warm measures. If the patient after scraping gua sha skin broken situation, the wound should not touch the water temporarily, keep the wound clean to avoid infection, to be healed before bathing. For serious cardiovascular and cerebrovascular disease, liver and kidney insufficiency, generalized swelling, extreme weakness or emaciation, as well as thrombocytopenic disease, anaphylactic purpura, leukemia and other bleeding tendency, should be prohibited gua sha. Acute osteomyelitis, tuberculous arthritis, infectious skin diseases, burns, body surface tumors, skin ulcers, or acute trauma, traumatic areas, recent surgical scars, fracture has not healed, etc., should not be directly in the site of the disease scraping. Scraping must be operated by a professional physician, do not operate on your own to avoid injury.