Does bloodletting the knuckles do anything?

Finger joint bloodletting usually refers to the finger area, the 2nd to 5th finger palmar surface of the proximal interphalangeal joint transverse lines in the center of the four slit point bloodletting, left and right hand a total of eight acupuncture points, the treatment of pediatric chancre (a kind of children’s chronic disease, manifested in the form of body thinning, diet abnormalities, abdominal distension, thinning of hair withered and yellow, etc., whooping cough role.
The four suture points are extra-meridian points, where the hand Taiyin lung meridian, the hand syncope yin pericardium meridian, and the hand shaoyin heart meridian pass, and are intrinsically linked to the triple jiao, the liver, the life gate, and the small intestine. Acupuncture at this point has the effect of relieving heat and removing vexation, regulating the spleen to produce vitality, and regulating the triple jiao, and is also a point of experience in treating noma, which is a treatment for noma and whooping cough in children.
Bloodletting of the finger joints should be operated by a doctor, please do not operate on your own, so as to avoid improper operation, which may lead to adverse consequences.