The main techniques of bloodletting therapy are as follows: 1. Slow stabbing: Applicable to venous bloodletting. Such as Quze, the commission, the sun and other points, first with a rubber band on the site should be stabbed, the operator with the right hand holding the trigeminal point aimed at the point or vein pterygium, slowly stabbed into 0.5 ~ 1 minute, and then the needle slowly withdrawn, until the black blood out to red, can be untied rubber band, with sterilized face ball rubbing press needle hole for a moment. 2, quick stab: for sore throat, red eyes and swelling pain, heat stroke, stroke and other diseases. For sore throat, stab Shaoshang; for heatstroke, stab Xuan; for stroke, stab the 12 wells and other points. When stabbing, first pinch the acupuncture point with the thumb, index finger and middle finger. In the right hand, hold the trigeminal needle or milli-needle and stab it rapidly for 0.5 to 1 minute, immediately withdraw the needle, and then squeeze the area with your hand to make it bleed. 3.Pick: This pricking method is applicable to the hand, chest, back or head surface and shallow muscle points. When the needling is aimed at the local rash point, the muscles around the rash point are pinched up with the left hand, and the right hand holds a three-pronged needle to pick up the bleeding horizontally. 4.Surrounding acupuncture: Applicable to carbuncles, paralysis, plague and other diseases. Around the redness and swelling, use the three-pronged needle to puncture several needles or dozens of needles, then gently squeeze with both hands or use the fire cupping to suck out the bad blood to eliminate the swelling and pain. 5.Dense pricking: Applicable to skin diseases, such as ringworm. When stabbing with plum blossom needle buckle hit the affected area, so that local slight bleeding. Precautions: 1. Before bloodletting, the patient’s mind should be relieved of any concerns, and it is best to adopt a recumbent position and observe the patient’s reaction and countenance at all times. 2, because of the large needle hole after the trigeminal needle prick, must be closely disinfected, to prevent infection. 3, the needle blade should be sharp, do not use excessive force when needling, do not pierce the artery. 4.Weak qi and blood, women after childbirth and those who have a tendency to bleed spontaneously, or those who bleed more than once after injury, should not use this method.