Cistanche tubulosahas the function of anti- fatigue, strengthening kidney, improving immunity. 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, powerless in bones ...