1. Regulating the scrapping of Yin and Yang Can obviously regulates the balance of Yin and Yang in zang-fu organs. For example, for patients with intestinal peristalsis, scraping the abdomen and back can inhibit intestinal peristalsis and return to normal. On the other hand, people with decreased intestinal peristalsis can promote their peristalsis to return to normal. This shows that scraping can improve and adjust the function of viscera and balance the yin and yang of viscera.

2. Promoting blood circulation and removing blood stasis and scrapping can regulate the contraction and relaxation of muscles, thus regulating the pressure between tissues, promoting blood circulation around tissues and increasing blood flow of tissues, thus playing the role of promoting blood circulation and removing blood stasis and promoting tissue regeneration.

3, Jin Shu Tongluo Guasha is mainly to enhance local blood circulation, so that the local tissue temperature rises. In addition, under the direct stimulation of scraping plate, the pain threshold of local tissue is increased. The third is to stretch the tense or spasmodic muscles through the role of scraping board, thus eliminating the pain.