猪苓为常用中药,始载于《神农本草经》,列为上品。陶弘景说:“其块黑似猪屎,故以名之。”猪苓的功效:味甘、淡;性平。利水渗湿,用于小便不利,水肿,泄泻,淋浊,带下。猪苓为多孔菌科真菌猪苓的干燥菌核。主产于陕西、云南、河南、甘肃、吉林、四川等地。人工栽培已获成功,以陕西产者为道地药材。春秋二季采挖,除去泥沙,干燥。正品猪苓:呈条形,类圆形或扁块状, Polyporus umbellatus is commonly used traditional Chinese medicine, first contained in “Shen Nong’s Materia Medica”, as the top grade. Tao Hongjing said: “The black block like pig pox, so the name of.” "Polyporus effect: sweet, light; sex. Drip water Shenshi, for urine negative, edema, diarrhea, turbidity, vaginal discharge. Polyporus umbellatus for the fungus Polyporus umbellatus dry sclerotia. Main production in Shaanxi, Yunnan, Henan, Gansu, Jilin, Sichuan and other places. Artificial cultivation has been successful, to Shaanxi-origin medicine. Excavation of the spring and autumn seasons, remove sediment, dry. Genuine Polyporus: a strip, round or flat block-like,