The efficacy of Chenpi, Poria, and Hawthorn boiled in water is to strengthen the spleen and dispel dampness (by tonifying the spleen to make the dampness discharged), drying dampness and inducing diuresis (drying dampness and reducing the water-dampness in the body), and moving the qi and dispersing the blood stasis. However, the active ingredients of soaking water to drink are limited, and the decoction method is recommended. Chenpi is warm in nature, bitter and pungent in flavor, and belongs to the lung and spleen meridians. Its main effects are regulating qi and strengthening the spleen (regulating qi and strengthening the spleen), resolving phlegm and drying dampness; it is mainly used in treating stagnant qi in the spleen and stomach, vomiting and coughing with cold phlegm. Poria is flat in nature, sweet in flavor and bland in taste. It belongs to the heart, lung, spleen and kidney meridians. It is mainly used for treating edema, internal obstruction of phlegm and drink (pathological products formed by impaired metabolism of water and fluid), insomnia and excessive dreaming. Hawthorn is slightly warm in nature, sour and sweet in flavor, and belongs to the spleen meridian, stomach meridian and liver meridian. Its main effects are eliminating food stagnation and resolving stagnation (digesting stagnant food), promoting circulation of Qi and removing blood stasis, resolving turbidity and lowering fat; it is mainly used in treating dietary stagnation, dysentery and abdominal pain, hernia pain, etc. Note that the efficacy of the drug in water is limited, if the need for medication, it is recommended to choose after a professional Chinese medicine practitioner to identify and clarify the evidence, do not blindly buy drugs, so as to avoid medicines are not the right evidence, affecting the efficacy of the treatment.