Yam and Poria can work together to benefit qi and nourish yin (tonifying qi and yin fluids), strengthening the spleen and stopping diarrhea, and can be used in treating spleen deficiency with little food, loose stools and diarrhea. Chinese yam can benefit qi and generate body fluid, nourish the spleen, lung and kidney, and astringe the essence to stop diarrhea, while poria can diuretic and seepage dampness (promote the flow of water to dispel dampness), strengthen the spleen, and tranquilize the mind and the spirit. Both yam and poria are sweet and flat in nature, and both enter the spleen meridian, which can replenish spleen qi, strengthen the spleen and nourish the middle, seep away dampness and stop diarrhea, and make the middle jiao clear and clear up and turbid down. Yam and Poria with, especially for the spleen deficiency and dampness caused by diarrhea, for the thin and weak, less food loose stools or diarrhea of the crowd, has a better therapeutic effect. The combination of yam and poria with atractylodes macrocephala and coix lacryma is used to make ginseng-ling-atractylodes-white-artemisia powder, which can be used for treating spleen deficiency with little food and loose stools. For people who have the need for medication, it is not recommended to use medication on your own by believing in biased prescriptions and tests, and it is recommended that you go to a regular hospital to follow the instructions of your physician.