Chinese yam, the Chinese medicine yam, has the efficacy of benefiting qi and nourishing yin (tonifying qi and yin fluids), tonifying the spleen, lungs and kidneys, and is mainly used for treating deficiency of spleen, lungs and kidneys. Yam has the effects of benefiting qi and nourishing yin, tonifying the spleen, lungs and kidneys, fixing essence and stopping the band, and can be used to treat deficiency of the spleen, kidney, lungs, as well as deficiency of qi and yin (deficiency of both qi and yin) in the symptoms of thirst, such as lethargy, fatigue, loose stools, coughing, lumbar and knee soreness and tenderness (feeling of soreness and weakness of the lumbar and knee areas), enuresis, slippery spermatozoa and premature ejaculation, and thinning of the bands. Note that Dampness Shengzhongmang (too much dampness causing fullness and discomfort in the spleen and stomach) and people with solid evils and stagnation in the body are prohibited. If there are any related symptoms, it is recommended to consult a doctor promptly and follow the doctor’s instructions to use the medicine.