What does finger bloodletting do?

Finger bloodletting is mainly used to clear heat. Finger bloodletting is a kind of bloodletting therapy. There are different acupoints on the finger, different acupoints bloodletting play different effects, commonly used acupoints are Shaoshang, Shixuan, etc. Shaoshang is the point on the lung meridian of Hand-Taiyin, at the radial end of the thumb, about 0.1 inch beside the nail horn, with the effect of clearing heat. Shaoshang bloodletting can be used to treat sore throat caused by lung heat. Shixuan is an extraordinary point outside the meridian, and it is the tip of ten fingers. Ten Xuan bloodletting to purge heat and induce resuscitation can be used to treat high fever and dizziness caused by heat toxin.