The difference between Poria cocos and Poria cocos is mainly manifested in the medicinal parts, efficacy and effects, contraindications for use and so on. Part of the medicine: Poria cocos is the dried rhizome of Sarsaparilla, family Liliaceae, which is cut into thin slices, while Poria cocos is the dried kernel of Poria cocos, family Poraceae, which is the fungus of Poria cocos. Efficacy and effect: Poria cocos is mainly used to detoxify, remove dampness, facilitate joints, used for syphilis and mercury poisoning caused by limb contracture, tendon and bone pain; damp-heat gonorrhea, bring down, carbuncle and swelling and other conditions of treatment. Poria has the efficacy of diuresis and seepage of dampness (promoting the operation of water to dispel dampness), strengthening the spleen and nourishing the heart, which is effective in treating edema and urinary deficiency, phlegm-drinking and palpitation (due to vertigo and palpitation caused by phlegm-drinking and evil qi upstream), deficiency of the spleen with little food and loose stools, diarrhea, restlessness of mind and spirit, and palpitation and insomnia. Contraindications for use: Poria is contraindicated in people with deficiency of cold and essence, yin deficiency without water-dampness, yin deficiency of liver and kidney (deficiency of yin fluid in liver and kidney), and avoid drinking tea when taking Poria. The two are different Chinese herbs and should be used with care to distinguish between them. It is recommended to consult a traditional Chinese medicine practitioner before use and use it under the guidance of a doctor.