The stomach can be scraped, but cupping is often performed in the abdomen clinically. In addition should not directly in the lesions, skin ulcerated parts of the scraping. Gua Sha therapy is to Chinese medicine meridian skin as the theoretical basis, the application of Gua Sha tools, in the body surface of a certain part of the scraping, in order to prevent and control disease method. The mechanism of action lies in the twelve skin part of the benign stimulation, in order to achieve dredge meridian, line gas blood (promote gas operation so that the blood circulation), regulate the function of internal organs, can be used to treat internal and external gynecology and children and five senses and other subjects disease. It is worth noting that, suffering from serious cardiovascular and cerebrovascular disease, liver and kidney insufficiency, generalized swelling, extreme weakness or emaciation, and thrombocytopenia disease, allergic purpura, leukemia and other hemorrhagic tendency, prohibit gua sha.