The bladder meridian belongs to the foot three yang meridian, the full name is called foot sun bladder meridian. Its distribution in the human body is from the head to the foot, i.e., it starts from the inner canthus of the eye in the front head, and travels upward and backward in the front head, the top of the head, the back of the head and the back of the torso, the back of the legs, the back of the foot, and the back of the foot, terminating in the root of the claw nail angle of the foot at the tip of the little finger. The Foot Solar Bladder Meridian is distributed very regularly in the back of the body, with two lateral lines, the first of which is located 1.5 inches off the posterior median line, and the second 3 inches off the posterior median line. The acupoints of the Foot Solar Bladder Meridian are used to treat eye diseases, head diseases, diseases of the lower back, diseases of the lower limbs, and diseases of the five viscera and six bowels.