If there is a case of Gua Sha purple and black is subcutaneous capillary rupture bleeding caused by the Chinese medicine may be localized in the body with blood stasis, or the accumulation of cold and dampness, may also be the performance of the local meridian is not fluent. It is not advisable to operate on your own, and it is recommended to do so under the guidance of a professional physician. Gua Sha is a kind of Chinese medicine external treatment method, can help dredge the meridians, relax the muscles of the scraping area. Scraping after the stimulation of gua sha manifested in the body surface of the gua sha, called gua sha marks, is the disease in the process of development and change, can be embodied in the body surface of the skin on a performance. According to the color and so on different and analyze. Scraping Gua Sha force should be even, from light to heavy, in order to be able to bear the degree. For some patients who are not easy to produce gua sha or gua sha less, can not be forced to produce gua sha. For those who have serious diseases, skin injury and bleeding tendency, this method should be disabled. It is recommended to pay attention to keep warm when black and purple gua sha occurs, especially don’t get cold and blowing wind, and take a bath after 6 hours or don’t take a bath on the same day. Pay attention to observe the area where the gua sha occurs, if there is any discomfort, go to the hospital in time to consult the doctor.