Any scraping parts of the skin with ulceration, injury, inflammation, etc., are not suitable for scraping, back scraping should also follow this principle, and no gender differences.
Gua Sha is to Chinese medicine meridian acupuncture point theory as a guide, with the scraping board dipped in gua sha oil on the body surface for repeated scraping, friction, until the epidermis appeared red or purplish-red congestion points, such as “gua sha” changes in the treatment method.
Gua Sha is suitable for colds, sunstroke, headache, gastrointestinal disease, frozen shoulder, muscle strain and other diseases, but for scraping parts of the skin with ulceration, injury, inflammation, etc. should not be carried out, so as not to cause adverse effects.
Back scraping should take prone position, and scraping treatment should pay attention to indoor warmth, summer scraping should be avoided when the fan blowing directly scraping parts, such as the need to carry out scraping therapy, it is recommended that to the formal medical institutions.