Abstract: There are few plants in the community of populus euphratica and the vegetation st ructure is simple, forming the desert galleria landscape.In terms of genus geographical elements, many of them are distributed in cosmopolitan.According to Raunkiaer's statistics of life-form, the number of phaenerophy te life-form of this community is of dominant type, followed by the hemicryptophy te.The characteristics of the community leaf is mainly microphyll, simple, leathery and unentire.The vertical structure of communi ty is relatively simple which can be divided into tree layers, shrub layer and herb layer as well as a definite number of interst ratum plants.The species diversity increases prog ressively from tree, shrub to herb layer.The age structure of populus euphratica is stable.

Key words: Populus euphratica, community, structure, biodiversity, the life form spectrum.