味甘平而涩．入足太阴少阴经．功专清心固肾．得乳香益智治遗精白浊．得炙草治赤浊．得陈仓米治噤口痢．大便燥者勿服．去心皮蒸熟焙干．得枸杞、白术、山药、茯苓良．