Aunt that is female menstruation period. Gua Sha has the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), dredging meridians and channels, and for patients with blood stasis and obstruction, Gua Sha can be used during menstruation under normal circumstances. Gua Sha is a therapeutic method of traditional Chinese medicine, which has the effect of activating blood circulation, removing blood stasis and dredging meridians. The therapy is mainly through the stimulation of blood circulation of the skin, so that the corresponding reflex zones on the surface of the body by a certain amount of stimulation, so as to relieve the tendons and blood to achieve the purpose of the meridians and collaterals. In the use of gua sha therapy should pay attention to the skin has broken patients should not be used, at the same time scraping gua sha should pay attention to warmth, to prevent the feeling of external evil. If you need to use gua sha therapy, it is recommended to go to a regular hospital, in the professional physician under the guidance of evidence.