There are many clinical manifestations of kidney deficiency, which need to be analyzed and judged according to the specific etiology, clinical manifestations, tongue and pulse. 1. Etiology: It is mainly caused by the lack of innate endowment (inborn constitution and poor function) or the loss of nourishment, such as overwork, staying up all night or not restricting sex life, excessive masturbation, and the depletion of kidney essence after a long illness; 2. Symptoms: Kidney yin deficiency is mainly manifested as lumbar and knee soreness and weakness (lumbar and knee soreness and weakness), mental depression, dizziness, tinnitus, dry mouth, dry throat, night sweating (sweating abnormally after going to sleep, and waking up sweating stops), red tongue with little fluid, and fine pulse (the pulse becomes narrower and finer and the rate accelerates), and so on. Kidney yang deficiency is mainly manifested as cold pain in the waist and knees, fear of cold limbs (fear of cold, cold limbs), loss of libido, increased nocturia, impotence and premature ejaculation in men, women’s leukorrhea is sparse and abundant, the tongue is pale, and the pulse is slow. Kidney qi deficiency is mainly manifested as lumbar and knee soreness, mental depression, dizziness, tinnitus, frequent urination, or urine, or a feeling of falling in the abdomen, impotence and premature ejaculation in men, women’s menstrual dribbling, pale tongue, weak pulse. Different types of clinical manifestations are different, so it is necessary to identify the doctor of traditional Chinese medicine to carry out typing, and then give the right treatment.