Poria lumps are very hard can be cut into small pieces, soaked first, and then decocted. Poria is the dried mycelium of the fungus Poria, family Polyporaceae. The drug has the effect of diuresis and seepage of dampness (promoting the operation of water to dispel dampness), strengthening the spleen and tranquilizing the heart, and can be used in the treatment of edema and urinary deficiency, phlegm-drinking vertigo and palpitation (vertigo and palpitation due to phlegm-drinking and evil qi upstream), spleen deficiency with little food, loose stools (feces that are thin and unshapely) and diarrhea, restlessness of the heart and mind, and palpitation and insomnia. It should be noted that spicy and stimulating food should be avoided during use. Poria can be cut into small pieces if the pieces are hard, and then soaked in water before decoction. If you need to use Poria, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.