What are the three key points for low back pain is not yet conclusive, rubbing and pressing the central point of the commission, the commission of the sun point, the rank side of the point and so on the effect is better. 1. The point belongs to the foot solar bladder meridian, positioned in the middle of the popliteal transverse stripe, when the biceps tendon and the semitendinosus tendon of the femur in the middle. It is used for treating low back pain, lower limb paralysis (weakness, numbness and pain in the lower limbs), dysuria (unsmooth urination), salpingitis (acute infectious disease with reddening of the skin as if painted), abdominal pain, acute vomiting and diarrhea, and so on. 2. Commission Yang point belongs to the foot solar bladder meridian, localized in the lateral end of the popliteal transverse stripe, when the medial side of the biceps femoris tendon. It is used for treating abdominal distension and fullness, urinary incontinence, strong pain in the waist and spine, and contracture of legs and feet. 3. Chibian acupoint belongs to the foot solar bladder meridian and is positioned 3 inches below the spinous process of the 4th sacral vertebra. It is used for treating lumbago, impotence of the lower limbs, dysuria, hemorrhoids and constipation. If you have back pain, you should go to the hospital in time, under the guidance of the doctor for standardized treatment.