If you take a bath immediately after scraping, it may lead to the invasion of wind and cold, causing cold and other diseases. Should be spaced out for a certain period of time before bathing. 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 to prevent and control disease method. Its mechanism lies in the twelve skin part of the benign stimulation, to achieve dredging meridians, line qi blood, adjust the role of internal organs function. Scraping apparatus is mainly scraping board, generally with buffalo horn or jade material production and become. In addition, can also use edge smooth, clean, easy to hold, not easy to damage the skin of daily utensils, such as copper, spoon, porcelain, ramie and so on. In order to lubricate the skin, so that the Gua Sha board can move smoothly in the skin without damage to the skin, scraping Gua Sha often scraping milk or scraping oil as a medium, but also can choose paraffin oil, safflower oil, sesame oil and other media. It is recommended to pay more attention to rest after scraping gua sha, avoid bathing immediately, adjust the temperature of the room, avoid catching cold and so on. Scraping Gua Sha should be carried out by a professional physician, not to operate on their own, if there is discomfort, need to consult a doctor in time.