Back scraping is a commonly used form of treatment in traditional Chinese medicine, which has the effect of opening the orifices and diarrhea, dredging the meridians and channels, and activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body). Back scraping can be used for the treatment of wind-heat sore throat, take the 7th cervical vertebrae to the 7th thoracic vertebrae on both sides of the scraping; can also be used for the treatment of fever and cough, take the neck down to the 4th thoracic vertebrae scraping; cold and flu patients can also be in the back of the spinal column on both sides of the scraping, in order to get rid of the evil out of the patient; heat stroke patients can be gently scraped on both sides of the spinal column from the top to the bottom in order to open up and diarrhea heat. But note that not everyone is suitable for Gua Sha, such as blood clotting mechanism disorder patients such as leukemia, thrombocytopenia, etc. prohibit Gua Sha. It is recommended that patients go to a formal institution, by a professional doctor to operate, do not operate on their own, so as not to damage the skin.