The correct method of scraping mainly includes scraping order, scraping direction and so on. Scraping order: the general principle of choosing the order of scraping parts of gua sha is first head and face after hands and feet, first back waist after chest and abdomen, first upper limbs after lower limbs, gradually according to the order of scraping. The whole body scraping, the order for the head, neck, shoulder, back waist, upper limbs, chest and abdomen and lower limbs; local scraping, such as neck scraping order for the head, neck, shoulder, upper limbs. If you need gua sha treatment, it is recommended to go to a professional medical institution.