Changes in landuse

especially construction land of Xianyang City during the years from 1999 to 2006 are analyzed. Urban land

rur al residential land

and highway land in Xianyang City have undergone relatively significant change in various types of construction land. Based on national economic development data of Xianyang City during the research period

some indicators are selected

such as gross domestic product

output values of secondary and tertiary industries

total investment in fixed assets

fiscal revenue

fiscal spending

retail sales of consumer goods

and total population. SPSS software is used for these indicators by the method of principal component analysis and the driving forces of construction land changes of the city are determined. T hrough the analysis of construction land

driving forces of construction land changes of the city are found to be policy factor

economic factor

the level of urbanization

and arable land factor. Finally detail analysis is made on the impacts of various factors and comments and suggestions are given for the construction land development of Xianyang City.