Gua Sha is hand holding scraper, dipped in medium (oil, milk and other emollient synergist), from top to bottom, from the middle of the body to both sides, from inside to outside, one-way repeated scraping. The general principle of the order of scraping parts of the head and face after the hands and feet, the first back waist after the chest and abdomen, the first upper limbs after the lower limbs, gradually according to the order of scraping. The following are a few tips for scraping Gua Sha: Scraping board has thin and thick points, treatment when scraping board thick one face palm, health care when scraping board thin one face palm, so you can control the degree of stimulation when scraping. Scraping board and scraping direction generally keep in 45 degrees -90 degrees. Scraping time generally each part of the scraping 20 ~ 30 times, usually choose 3 ~ 5 parts; local scraping generally need 10 ~ 20 minutes, the whole body scraping appropriate 20 ~ 30 minutes. Scraping times generally is the first scraping and so on 3 to 5 days, gua sha back again after the second scraping treatment, so as not to be too frequent, the body’s ability to withstand poor, resulting in damage. After scraping gua sha should not immediately eat cold food, gua sha after 30 minutes should not bathe. Where the muscle fullness (such as back, buttocks, chest, abdomen, limbs) is appropriate to scrape with the horizontal surface of the Gua Sha board (thin surface, thick surface can be) scraping. To some joints, limbs end, head and face and other muscle less, bumpy more parts of the appropriate scraping with scraping board angle scraping. Have serious cardiovascular and cerebrovascular disease, liver and kidney insufficiency, bleeding tendency disease, and pregnant women’s abdomen, lumbosacral area are prohibited to scrape. If patients want to scrape, it is recommended to the hospital for formal operation, not to operate at home, in case of improper operation, produce serious adverse reactions.