沙枣亦称“银柳”、“香柳”、“桂花柳”。集中分布在我国西北、华北、东北干旱和半干旱地区的荒漠与半荒漠条件下。在我国西部干旱地区，沙枣极易繁殖、是生命力强、生长快、耐盐碱、耐贫瘠、耐高温、抗风沙、抗干旱，并且有固氮改良土壤作用的优良沙生植物。除具有重要的生 Saussurea also known as “silver willow”, “sweet willow”, “sweet-scented osmanthus Willow.” Concentrated distribution in China’s northwestern, north, northeast arid and semi-arid areas of the desert and semi-desert conditions. In the arid areas of western China, Elliotis indica is very easy to breed, and is an excellent sand plant with strong vitality, fast growth, saline-alkali resistance, barren resistance, high temperature resistance, wind-blown sand, drought resistance and nitrogen fixation to improve soil effect. In addition to having important students