The stone has just been discharged, you can eat yam powder. Just discharged stones need to maintain a light and easy to digest diet, can be appropriate to eat yam powder, yam has the spleen and stomach, the production of fluid and lungs, tonifying the kidney and astringent effect, is beneficial to the recovery period of the regulation. Yam is sweet and flat, both tonifying qi and yin, and belongs to the lung, spleen and kidney meridians. It is calm, tonifying without stagnation, nourishing without being greasy, and is a tonic for the triple jiao, and is slightly astringent. If the treatment of weak spleen and stomach, less food and loose stools (feces thin and not shaped), tiredness and fatigue, can be used with ginseng, atractylodes, etc.; the treatment of lung deficiency, chronic cough or asthma, often used with Panax ginseng, maitake. Yam has the effect of promoting the production of fluids to quench thirst. It is suitable for thirst disease caused by deficiency of both qi and yin (deficiency of both qi and yin), with symptoms such as excessive drinking, excessive urination, excessive eating, emaciation, and tiredness and weakness, etc. It is often used in conjunction with Astragalus, smallpox pollen, and Pueraria Mirifica. If you need to take yam, it is recommended to consult a doctor.