Kidney yin deficiency usually refers to the kidney yin deficiency syndrome. Kidney-Yin Deficiency Symptoms are commonly characterized by lumbar and knee soreness (a feeling of soreness and weakness in the waist and knees), spermatorrhea in men, scanty menstruation or menstrual closure in women, five heartburns and heat (heat in the hearts of the hands and the feet as well as self-consciousness of irritability and stuffiness in the heart and chest), and dizziness and tinnitus. According to Chinese medicine, Kidney Yin Deficiency is a deficiency of Kidney Yin, which easily leads to internal disturbance of deficiency heat. This syndrome is mainly based on the co-occurrence of symptoms of yin deficiency such as lumbago and pain, spermatorrhea, scanty menstruation, dizziness and tinnitus. Kidney yin deficiency, waist and knee loss of nourishment, the waist and knee soreness; yin deficiency, loss of essence and marrow, loss of clear orifices, dizziness, tinnitus, forgetfulness; teeth for the bones of the Yu, the kidney’s Hua in the hair, kidney yin loss of nourishment, the teeth loose hair loss; Kidney yin deficiency, deficiency heat, phase fire disturbance, hypersexual function, then the man’s essence is not solid (kidney deficiency, the kidney can not hide the essence), and see spermatorrhea, premature ejaculation; Kidney yin deficiency, the woman’s menstruation is not enough source, not full of the Chong Ren, the menstruation is low, menstrual closure; yin does not control the yang, the disturbance of the fire, the compulsion of the blood to travel, you see the bleeding under the leakage of blood; Deficiency fire upward disturbance (deficiency fire upward invasion of the head and face and other parts) of the heart and spirit, so upset and less sleep; kidney Yin deficiency, loss of nourishment, dry mouth and throat, emaciation; Deficiency fire internal disturbance, then the five heart hot, hot flashes and night sweating (after going to sleep sweating abnormally, waking up sweating to stop), evaporation of heat, afternoon zygomatic red (cheeks and zygomatic bone color reddish), urination is short and yellow for the phenomenon of yin deficiency and internal heat. Patients with symptoms such as soreness and weakness of the waist and knees, hot flashes and spermatorrhea should go to a regular Chinese medicine hospital in time for diagnosis by a Chinese medicine practitioner and treatment accordingly.