Adenophorae Radix is the dry root of Adenophora tetraphylla ( Thunb.) Fisch. or Adenophora stricta Miq. Of Campanulaceae plants. It has the effects of nourishing yin to clear away the lung-heat, tonifying stomach, promoting fluid, reducing phlegm and tonifying qi. 南沙参为桔梗科植物轮叶沙参Adenophoratetraphylla(Thunb.)Fisch.或沙参AdenophorastrictaMiq.的干燥根,具有养阴清肺,益胃生津,化痰,益气的功效。