Scraping belongs to Chinese medicine, can achieve blood circulation and remove blood stasis, detoxification through the role of gua sha. It is generally not recommended to blow the fan and air conditioning immediately after scraping. Scraping in the operation of Gua Sha is mainly the use of porcelain spoon, horn or other apparatus, can be in the relevant parts of the body for scraping, so that the local skin Gua Sha spots or Gua Sha marks, to achieve blood circulation, remove blood stasis, detoxification through the efficacy of Gua Sha. Clinically applicable to colds, fever, heatstroke, headache, gastroenterology, pillow, frozen shoulder, lumbar muscle strain, muscle spasms, rheumatoid arthritis and other conditions. Scraping treatment should pay attention to indoor warmth, especially in winter should avoid the cold and wind. Summer scraping, should avoid fan directly blowing scraping parts. Scraping Gua Sha before if for hungry state should be advanced food after scraping; Scraping Gua Sha process should drink more boiled water, strengthen the effect of scraping Gua Sha; Scraping Gua Sha should not immediately after eating cold food, Gua Sha 30 minutes after the avoidance of cold water bath. Scraping operation should be carried out by a professional physician, do not operate on your own, so as not to cause adverse consequences. If you are not feeling well, please consult a doctor.