Acupuncture bloodletting, also known as bloodletting method, the advantage is that it can be used for the treatment of high fever, heat stroke, headache, dengtoxin (acute infectious diseases, visible skin red like paint) and other diseases, the disadvantage is that improper operation may cause infection. 1. Advantages: acupuncture bloodletting usually use three-pronged needles, three-pronged needles have the effect of activating the meridians and channels, swelling and pain, remove blood stasis and generate new, commonly used manipulation techniques a little prick blood, scattering method, picking method, etc., clinically commonly used in the treatment of high fever, sunstroke, acute sore throat, stroke, headache, hypertension, tendonitis, dengtong, as well as the emergency and so on. 2. The bad side: the bad side of acupuncture bloodletting is usually caused by the operator’s inability to grasp the contraindications, bleeding volume and operation. In the operation, if you do not pay attention to disinfection, the local wound may be infected after bloodletting. The common precautions of bloodletting are: for patients with large amount of stabbing blood, it is necessary to communicate in advance; the technique should be light, fast and shallow, and the amount of bleeding should be controlled according to different diseases; it is not suitable for patients with deficiency syndrome, women’s postpartum period and patients with tendency to spontaneous bleeding; avoid arteries; and it is forbidden to use for severe varicose veins of the lower limbs. Bloodletting is a medical act, if patients need acupuncture bloodletting, it is recommended to go to regular hospitals to be operated by professional physicians.