The exact location of the point of Guiyang is on the knee, on the transverse line of the roux, on the medial edge of the biceps tendon. It belongs to the foot solar bladder meridian, and is the lower meridian of the San Jiao meridian, at the lateral end of the popliteal transverse stripe, at the inner edge of the biceps femoris tendon. It has the effect of facilitating the San Jiao, soothing the tendons and relaxing the collaterals, and it is mainly used for treating urinary difficulties, edema, constipation, and pain in the lower back. The point of Guiyang with Yinmen point, Yinlingquan point and Xingma point can treat lumbar pain, with Zhongji point, Sanyinjiao point and Zhongsiao point can treat dribbling of urine, with Tianchi point can treat swollen armpits, and with the point of Guizhong, the point of Body Pillar, and the point of Kunlun can treat strong pain in the lumbar and spinal regions. If there is any discomfort, please consult a doctor in time to avoid delay. At the same time, the operation of acupuncture points has a certain degree of danger, need to be operated by a professional doctor, do not try to operate on their own.