Abstract:There are 1 106 species of high vegetation in Maowusu sandy land and they belong to 98 families and 420 genuses.The main families are Compositae,Gramineae,Leguminosae,Rosaceae,Chenopodiaceae; the main genuses are Artemisia,Astragalus,Allium,Salix,Populus;and the main species are Artemisa ordosica,Psammochloa villosa,Pycnostelma lateriflorum,Salix cheilophila,Salix microstachya. There are 7 types of vegetation communities in this region.They are grassland vegetation,grassland and desert shrubbery,sandy vegetation,meadow vegetation,halophyte vegetation,marsh and swamp vegetation.Among these vegetations,sandy vegetation is the dominant vegetation;meadow vegetation is the second vegetation.The main communities are Form.Artemisia ordosica, Form.Artemisia ordosica+Caragana korshinskii, Form.Salix microstachya, Form.Salix cheilophila + S.microstachya, Form.Hippophae rhamnoides+ Salix cheilophila. The vegetation distributing characteristics has been briefly stated.Shrubberies should be the chief vegetation for vegetation construction in Maowusu sandy land,shrubberies, arbores and grasses should be combined with other measurements.