The Yin Gu acupoint can be located by sitting in the bent knee position, from the medial end of the transverse popliteal stripe, pressing between the two tendons (semitendinosus tendon and semitendinosus tendon), and there is no so-called easiest way to find the acupoint. Yin Gu acupoint belongs to the foot shaoyin kidney meridian and is located at the head of the transverse stripe on the medial side of the knee, between the semitendinosus tendon and the semimembranosus tendon in the depression. With the effects of benefiting the kidneys and assisting yang, regulating qi and relieving pain (relieving pain by unblocking qi), the yin valley point can be used to treat impotence, hernia pain, metrorrhagia (excessive menstrual flow or dribbling), dysuria (unsmooth urination), knee and popliteal soreness, and epilepsy. It should be noted that, acupuncture therapy in Chinese medicine, the specific acupuncture point acupuncture treatment must be operated by a professional physician, and moxibustion can be carried out under the guidance of a physician, not blindly self-acupuncture.