1 therapeutic principle of cupping and bloodletting: cupping and bloodletting mainly puncture the skin with skin acupuncture. After the skin is ruddy and slightly infiltrated, cupping is performed at the pricking site to adjust the functions of zang-fu organs and meridians, so as to achieve the purposes of harmonizing qi and blood, dredging meridians, detoxifying and purging fire, and restoring the normal body. Has good effect of preventing and treating diseases.

2 bloodletting and fever reduction Chinese medicine believes that fever can be divided into yang-excess fever and yin-deficiency fever, and cupping and bloodletting are suitable for relieving yang-excess fever. Because yang is abundant, qi and blood must be abundant. Cupping and bloodletting can reduce blood, thus reducing the evil heat in blood and restoring the qi and blood of the body to normal.

3 bloodletting and pain relief Chinese medicine believes that for diseases with painful symptoms, the meridians must be blocked. Cupping and bloodletting can directly bring out the pathogenic factors of blood stasis in meridians, adjust the blockage phenomenon, make meridians unobstructed and relieve pain. Symptoms such as sore throat and migraine can be treated by cupping and bloodletting.

Bleeding and purging fire can lead to various diseases, such as sores on the mouth and tongue, swelling and pain in limbs, irritability and fever. Cupping and bloodletting can prevent pathogenic fire from flowing down with blood, which is suitable for the treatment of various heat syndromes.