Scraping needs scraping board, scraping medium, usually first head and face after hands and feet, first waist behind chest and abdomen, first upper limbs after lower limbs. From top to bottom, from inside to outside one-way scraping. Gua Sha refers to the use of gua sha apparatus in the body surface of a certain part of the scraping to prevent and control disease method. There are Shu meridians and collaterals, run the role of qi and blood. Scraping usually choose jade or buffalo horn made of scraping board, if there is no such material, coins, spoons and so on can also. Before scraping Gua Sha to fully expose the scraping part, and scraping in the scraping part of the application of scraping medium, you can use petroleum jelly oil, safflower oil or even water and so on. Scraping follows the principle of from top to bottom, from inside to outside, first waist behind the chest and abdomen, step by step. The direction of scraping is from top to bottom, from inside to outside one-way scraping, and as far as possible, the distance will be long. Generally choose 3~5 parts, each part of the scraping about 20 times, to the skin appears flushed or pimple-like spots is appropriate. Please operate under the guidance of a physician.