In this paper,using GIS and RS technology,based on TM/ETM Images of two periods of 1990 and 2007,through the man-computer interactive interpretation,the current land utilization map of studying area were given.By the technology of GIS special analysis,the land expansion of north slope of Tianshan Mountain and its spatial pattern were analyzed.The results showed that during 1990-2007,the cultivated land changed more obviously,and cultivated land,grassland and sandy land changed most greatly in this area,and woodland and grassland are the main source of other growth area increasing.The scale of ...