Scraping Gua Sha can scrape the outer calf, need to be operated by a professional physician. Gua Sha is to meridian acupuncture point theory as a guide, through the Gua Sha apparatus, in accordance with certain action requirements and technical essentials, dipped in the appropriate amount of Gua Sha oil in the human body surface scraping, so that the local appeared red bleeding point or red corn grain, such as “Gua Sha” changes, so as to achieve the effect of dredging the meridians and so on. If due to the meridians caused by the outside of the calf pain, you can scrape the outside of the calf, can dredge the meridians, blood pain, in addition to promote local blood circulation, to achieve the effect of pain relief. The process of scraping needs to use scraping oil and so on, avoid directly with scraping board in the skin activity friction caused by local skin breakage. If the body is uncomfortable, it is recommended to go to the hospital, the professional physician to carry out the operation of gua sha.