Bloodletting therapy is a commonly used physical therapy in Chinese medicine, mainly used for hypertension, blepharitis, febrile illnesses and so on. 1. Hypertension: Bloodletting therapy can effectively relieve dizziness, headache, head swelling and other symptoms of hypertensive patients, and can be used to release blood from the ear tips and acupoints. 2. blepharitis: because blepharitis is usually caused by the heart and fire, and bloodletting therapy can remove the blood stasis, so that the stasis is removed and the new life, which can play the effect of cathartic fire. 3. Febrile diseases: such as high fever, these patients can also be treated with bloodletting therapy. Bloodletting therapy is mainly used to activate blood circulation and remove blood stasis (to promote blood circulation and eliminate blood stasis in the body), as well as cathartic effect. If necessary, it is recommended to go to a regular hospital for treatment under the guidance of a professional physician.