Serious deficiency of kidney essence will cause retardation of growth and development in children, gradual decline of reproductive function in adults, forgetfulness, tinnitus, premature aging and other symptoms. Chinese medicine believes that the kidney is hidden in essence, which is the foundation of human growth and reproduction and life-sustaining activities. Kidney essence can not only regulate the essence of various organs, but also replenish the brain, nourish the bones, and produce the marrow, etc. When children have a serious deficiency of kidney essence, it may affect the body’s growth and development. When children have a serious deficiency of kidney essence, it may affect the normal development of the body, physical weakness, mental fatigue, short stature, five late and five soft (five late refers to the stand late, line late, language late, hair late, teeth late; five soft refers to the head and neck soft, soft mouth, soft hands, soft feet, soft muscles) and other symptoms. If adults have serious deficiency of kidney essence, men may suffer from sexual dysfunction, impotence and premature ejaculation, spermatorrhea, etc.; women may suffer from premature menstruation (early amenorrhea), reduced fertility, etc. In addition, men and women may suffer from tinnitus and dizziness, lumbar and knee pain, and forgetfulness and fatigue (loss of mental faculties). Anyone with serious deficiency of kidney essence, young or old, adult or not, needs to go to the hospital and actively cooperate with professional Chinese medicine practitioners for treatment.