The exact location of Yinlingquan is in the depression between the medial tibial condyle and the medial border of the tibia. Yinlingquan is a conjunction point of the foot-taiyin spleen meridian. This point has the efficacy of clearing dampness and heat, strengthening the spleen and regulating qi, and can be used clinically for treating a variety of conditions such as abdominal distension, diarrhea, jaundice, dysuria, dysmenorrhea, edema, spermatorrhea, knee pain, and so on. The simple method of taking Yinlingquan is to ask the examinee to take a sitting position with knees bent or supine position, use the thumb to push along the inner edge of the medial calf bone from bottom to top, and in the upward curvature of the medial calf bone, a depression can be touched, and this depression is the point of Yinlingquan. When choosing Yinlingquan point for acupuncture treatment, it is necessary to operate under the guidance of a professional acupuncturist.