It is mainly composed of Yam, Fructus Lycii, Poria, Jujube and Fructus Cumin. It is used to warm the kidney, nourish the spleen, nourish the blood and benefit the essence, and is used to treat weakness of the waist and knees, impotence, spermatorrhea, tinnitus, dizziness, deficiency of essence and blood or wasting of the body, loss of appetite and sore teeth. It can also be used in gynecology to treat irregular menstruation, uterine coldness, infertility or menopausal syndrome in women, and in urology to treat chronic nephritis, prostate or kidney function abnormalities, as well as headache, dizziness, vertigo, insomnia, forgetfulness and poor sleep caused by overuse of the brain. In addition, it can also be used in orthopedics for the treatment of osteoporosis caused by low kidney function, as well as for the adjunctive treatment of rheumatoid arthritis or rheumatoid arthritis. When using it, it should be noted that it is prohibited for patients with cold and flu or heat symptoms, and it is best to take it before meals.