2, the efficacy of Tu Fu Ling can clear heat and detoxification, remove dampness, while the efficacy of Poria can diuretic and seepage of dampness, strengthen the spleen and tranquilize the mind. In the process of clinical application, Poria is mainly for serious skin diseases like syphilis, the therapeutic effect is very obvious, Poria can also be used for dampness invasion of the joints, rheumatic joint diseases, manifested as unfavorable joint movement, pain, etc. for treatment. Poria in the scope of clinical application than the soil Poria is much larger, can be boiled into a soup to improve the human body's dampness, for the human body viscera appearing dampness can be very good treatment, for the tongue has teeth marks, weakness and stools are not shaped gastrointestinal tract can be very good treatment of dampness, for the body of oedema can be adjusted.