Objective—To analyze the land use and its pattern changes in the floodplain of the downstream of Weihe River in 2002 and 2010.Methods—Landsat 7 ETM+data are analyzed by combining unsupervised and supervised classifications.Results—Arable land has always been predominant,but the total area is on the decline although the percentage of total area is large.With the acceleration of urbanization,the construction land increased rapidly.The proportion of garden is increasing because of the optimization of the struc...