Scraping operation process: first determine the scraping utensils, determine the body position, scraping parts positioning, start scraping, scraping tape notes. 1. Prepare gua sha utensils, check whether the scraping board is rounded, have no barbs, have no cracks, avoid damage to the skin. 2. Tell the content of Gua Sha, eliminate fear, get better cooperation. 3. Choose a comfortable position, such as side-lying position, supine position, prone position, etc.. 4. Position and apply lubricant. 5. scraping in, pay attention to force evenly, not easy too light or too fierce, in scraping parts from top to bottom scraping, the direction of the same, the skin appears red or purple scraping point. 6. After scraping clean skin, the patient will drink ginger water or hot water, three hours can not take a bath, 24-48 hours Gua Sha parts of a slight burning pain is normal. For serious heart disease, kidney disease edema and bleeding tendency of the disease disable this method of treatment. Scraping Gua Sha need to be carried out under the operation of a professional physician.