In identifying kidney yin deficiency and kidney yang deficiency, Chinese medicine practitioners mainly combine the patient’s symptoms, tongue and pulse to judge. 1. Kidney yin deficiency: This kind of patients can mainly manifest as soreness and weakness of the waist and knees, spermatorrhea and night sweating (sweating abnormally after going to sleep, and sweating stops after waking up), five heart-heat (heat in the heart of the hands and feet, and self-consciousness of the heart and chest), and tinnitus in the ears, and so on. On the tongue and pulse, the main manifestation is a red tongue with little moss and a fine pulse (the pulse becomes narrower and thinner and the rate increases). 2. Kidney yang deficiency: This kind of patients can mainly manifest as soreness and weakness of waist and knees, impotence and premature ejaculation, long and clear urine, coldness and coldness of limbs, loose stools, etc. The main manifestations on the tongue and pulse are red tongue with little moss, fine pulse (pulse becomes narrower and faster). Tongue and veins are mainly manifested in the tongue pale moss white, pulse sinking. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.