穿山龙Dioscorea nipponica Mak是泰山四大名药之一,是民间一种常用的中草药,其根茎入药,主含薯蓣皂甙等多种甾体皂甙,性味甘苦温,具有活血舒筋、消食利水,祛痰截疟的功效,主治风寒湿痹、慢性气管炎、劳损扭伤、疟疾等症。在山东省野药源较少,以各大山区有少量分布,近年来,由于药农无计划的乱采乱挖.以致穿山龙的资源越来越 Dioscorea nipponica Mak is one of the four famous medicines of Taishan. It is a commonly used Chinese herbal medicine. Its roots are used as medicine, and its main body is yam saponin and other steroidal saponins. It is sweet, bitter and warm, and has blood circulation, sinews, and digestion. The efficacy of cutting off malaria, attending cold dampness, chronic bronchitis, strain sprain, malaria embolism. There are few wild medicine sources in Shandong Province, and there are a few distributions in major mountain areas. In recent years, due to unplanned dredging by drug farmers, the resources of mountain dragons have become increasingly