Poria cocos has the effects of inducing diuresis (clearing urine and eliminating edema), seeping dampness, strengthening the spleen and tranquilizing the heart. Poria has the effect of treating edema, phlegm (pathological products formed by the impaired metabolism of water and liquid), diarrhea (diarrhea caused by the weak function of the spleen), palpitation (rapid heartbeat, often accompanied by panic), insomnia, etc. It is usually decocted and taken internally. Poria, for the Polyporaceae lying hole genus of fungi Poria dry mycelium. Taste sweet, light, flat, to the heart, lungs, spleen, kidney meridian. To treat edema and dysuria caused by internal stagnation of water-dampness, it is often combined with zedoary, poria, atractylodes, and cinnamon sticks; to treat edema caused by yang deficiency of spleen and kidney, it can be combined with aconite and ginger; to treat edema caused by water-heat intertwining and yin-deficiency dysuria, it can be combined with slippery stone, aconite, and zedoary; and to treat the eye dizziness and palpitation caused by phlegm, it can be combined with cinnamon sticks, atractylodes, and licorice. This drug is usually taken with other drugs in decoction. It should be taken with caution if there is deficiency of yin without dampness-heat, deficiency of cold and essence-slip, or deficiency of qi and subluxation, and the adverse effects are not yet clear. Consultation with a healthcare professional is recommended if this medicine is to be taken.