There is no evidence-based medical evidence to support bloodletting at the commission point to lower blood pressure. Patients with hypertension are advised to seek prompt medical attention and follow doctor’s instructions. Zhizhong acupoint is located in the posterior region of the knee, at the midpoint of the popliteal transverse stripe. It is used for treating low back pain, lower limb paralysis (weakness, numbness and pain in the lower limbs), abdominal pain, acute vomiting and diarrhea, cryptorchid rash, tansy (an acute infectious disease that can be seen as a reddening of the skin as if it had been coated with pigment), urinary incontinence (unsmooth urination), and enuresis. Hypertension belongs to the category of “headache”, “dizziness” and “liver wind” in Chinese medicine. Clinical points commonly used for treatment include Fengchi, Taichong, Baihui, Hegu, Quchi, and Sanyinjiao. For bloodletting at the acupoints, it is recommended to go to a professional medical institution.