Yam beans can be eaten internally as medicine or cooked and peeled. It has the effect of strengthening the spleen and replenishing qi (enhancing the function of the spleen and replenishing the spleen qi). Yam bean is a kind of traditional Chinese medicine, is a Dioscoreaceae plant Dioscorea leaves between the axils of the bead buds, taste sweet, warm nature, non-toxic. It has the effect of replenishing deficiency, benefiting the kidney and strengthening the waist. Yam bean is mostly used for spleen deficiency and prolonged ejaculation, lumbar and knee soreness and weakness (the feeling of soreness and weakness in the waist and knees) and other conditions. Yam beans with medication: the treatment of qi and yin deficiency type diabetes often with astragalus, smallpox pollen, etc.; nourishing yin and tonifying the kidneys is often with wolfberry, Zhimu. The adverse reactions and contraindications of Chinese yam bean are not clear at present. Chinese medicine needs to be used under the guidance of a traditional Chinese medicine practitioner, and should not be used on its own, so as not to cause adverse effects.