Poria is born in pine roots, white as fat, so called white Poria, attributed to the heart, lung, spleen, kidney, light and permeable odor, open coup, water and swelling effect, such as the water fairy, water does not hurt. The study of its water, because it strengthens the spleen, and the spleen is the main think, strengthen the spleen can be nimble, total to the spleen, is the top quality of the drug, although it is not necessary to believe that long serving light body, but if often do tea to serve, and indeed have the health effects. The formula used is such as Wu Ling San, Ginseng Ling Bai Zhu San. Dermatology with the whitening. If wet heavy with the use of the inappropriate, is a light spirit of the medicine, such as a small dew of mist.