Poria bark and Poria efficacy and role of the difference: Poria bark can diuretic swelling, suitable for urinary incontinence (dysuria), edema and other conditions; Poria on this basis, there is a spleen and heart effects, palpitations and insomnia, restlessness of the heart and mind, spleen phlegm and drink (water metabolism disorders of the formation of the pathology of the product) and other conditions also have curative effect. In terms of efficacy, Poria bark is flat, sweet and bland in nature, belonging to the lungs, spleen and kidneys meridians, good to go to the surface, especially good at clearing the muscle surface edema, water and swelling effect. Poria belongs to the lung, spleen, kidney and heart meridians, in the water seepage (to promote the flow of water to dispel dampness) on the basis of, but also has the effect of strengthening the spleen, tranquilize the heart. In terms of function, Poria bark has better effect on urinary incontinence and edema; while Poria not only has curative effect on edema and urinary incontinence, but also has curative effect on spleen deficiency, phlegm-drinking and vertigo-palpitations (vertigo and palpitations due to phlegm-drinking and evil qi upstream), diarrhea and loose stools (loose stools that are not shaped), restlessness of the heart and mind, insomnia and palpitations, and other diseases. Poria bark and Poria cocos are located in different parts of the drug, the efficacy and effects are also different, according to their own medical conditions, under the guidance of a professional doctor to choose to use the drug.