The proposed calf liver fungus (boletinus asiayicus) has the effect of diarrhea and catharsis. Umbellatus (Polyporus) bacteria nuclear energy, water infiltration. The alcohol extract of poria cocos is a diuretic action, which is used in the treatment of swelling of water. The diuretic effect of Poria cocos was related to the heavy absorption of Na in renal tubules. Poria Cocos acid (PACHYMICACID) is the effective ingredient for sodium excretion.