Poria combined with Atractylodes macrocephala has the effect of inducing diuresis and seepage of dampness (promoting the operation of water to dispel dampness), benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach). 1. Poria: light and sweet in flavor, flat in nature, belonging to the spleen, lung, heart and kidney meridians. It has the effects of inducing diuresis (facilitating urination and eliminating edema), tonifying the heart and spleen (tonifying the heart and spleen with nourishing drugs), and is commonly used clinically in the treatment of edema, dysuria (unruly urination), deficiency of the spleen with little food, and restlessness of the heart and mind. 2. Rhizoma Atractylodis Macrocephalae: sweet and bitter in taste, warm in nature, belonging to the spleen and stomach meridians. It has the efficacy of drying dampness and inducing diuresis (drying dampness and reducing water-dampness in the body), benefiting qi and strengthening the spleen, and is often used in the treatment of symptoms such as deficiency of the spleen with little food, phlegm and drink (pathological products formed by impaired metabolism of water), water-dampness, and abdominal distension and diarrhea. 3. Poria and Atractylodes are often used together, can play a water seepage and dampness, benefit qi and strengthen the spleen efficacy, allergic to the above two drugs are prohibited from using the crowd, internal heat, fluid depletion, use with caution. Poria and Atractylodis need to be used under the guidance of a doctor’s diagnosis, is not suitable for everyone, it is not recommended to buy and take on their own, in order to avoid adverse reactions.