Bloodletting on the back is useful for neck, shoulder, waist and leg pain, but bloodletting therapy is risky and should not be done by oneself. Bloodletting is a treatment method of puncturing specific parts or points with three-pronged needles to make a small amount of bleeding, in order to achieve the purpose of draining heat, subduing swelling and relieving pain, and it is generally used to assist in the treatment of solid and hot symptoms. Neck and shoulder pain can be treated with acupuncture and bloodletting at Tianzong, Shoulder Chastity, and pressure points on the back of the shoulder, which are useful for cervical spondylosis; and acupuncture and bloodletting at Shoulder Chastity and Shoulder Chastity, which are useful for periarthritis. Acupuncture and bloodletting at lumbar yangguan point and pressure point of lumbar part of the back has certain effect on acute lumbar sprain; people with lumbar intervertebral disc herniation can have bloodletting at lumbar vertebrae pinch point and pressure point of lumbar part of the back, which can alleviate the pain and so on. The operation should be carried out by professional medical personnel, individuals should not operate on their own to avoid causing adverse accidents.