The correct method of leg scraping mainly includes choosing leg muscle fuller parts and in accordance with a certain order and direction. Scraping generally choose cow horn class scraping board, leg generally choose more plump muscle parts, using the order from the bottom upward from inside to outside in order to scrape, along a direction scraping, generally not back and forth scraping. Scraping strength to be uniform, from light to heavy, to be able to bear as a degree. The leg scraping must be in good health, skin without inflammation, calf tibia surface and other hard parts should not scrape, scraping does not have to be gua sha, scraping to the skin can be slightly red. The treatment of gua sha is recommended to be carried out under the operation of a professional Chinese medicine practitioner, and it is not suitable for home self gua sha treatment.