Is there a scientific basis for sublingual bloodletting

Problem analysis: Sublingual bloodletting and embolectomy is a common treatment measure in traditional Chinese medicine surgery, which is a treatment method of releasing a small amount of blood by using instruments after acupuncture at specific parts or acupoints under the tongue.

Suggestion: It has many functions, such as clearing away heat and toxic materials, purging fire and reducing swelling, and stopping vomiting and diarrhea. According to your condition, it is suggested that you first improve the examination of blood coagulation function, and a professional acupuncturist will judge and implement bloodletting therapy.