Cistanche tubulosa mainly distributed in Taklimakan desert, Xinjiang,it has the function of strengthing kidney, Cistanche tubulosa mainly distributed in Taklimakan desert, Xinjiang,it has the function of strengthing kidney, available for essence and blood, commonly used in the treatment of male impotency, men's, women's infertility, metrorrhagia, vaginal discharge, lassitude in loin and legs, ...