By using remote sensing(RS) and geographic information system(GIS),the landlorm pattern and the change of residential area of the 8 counties belonging to Weinan City are analyzed based on the TM data in 2000 and CBERS data in 2007. Results show that land form patterns are complex and diversiform with mountain,plain,valley,sandy-land,channel,etcin which the flatland above plain and the valley in the north bank of Weihe River occupy over 20% of the total land area. T he total area of residential sites in all counties increased by 6 044.1 hm² during the 7 years, in which the biggest is 2 718.6 hm² in Linwei District,the seeond is 1 057.8 hm² in Dali County,and the least change is 123. 1 hm² in Tongguan County.T he d ynam is degree of overall region studied is 2.03%,in which the most one is 3.75%in Linwei District and the least one is 0.85% in Chengcheng County.