Based on land use statistic datum and social-economic materials between 1985 and 2000, this paper analyzes land use conditions, including land use quantity change, land use degree change and landscape structure change, in three different economic regions of Chongqing, which are developed Beibei, less developed Wanzhou and developing Youyang. It is revealed that there are great difference in the rate, degree and direction of land use change in these regions over 15 years. Beibei, which is more developed and higher in per capita GDP and population density than Wanzhou and Youyang, is rapid in land use rate, comprehensive in land use degree, deep in land fragmentation, and disturbed by people to much extent. Main driving forces in these regions in land use change is population growth, industrialization and urbanization, development of the third industry, mechanism of economic management, social conduct is. It is different driving forces that lead to different land use change in these economic regions.