The spatial difference in economic development level among the west regions is very evident.There are trends of decrease from the east to the west and from the north to the south.In order to study quantificationally,the paper selects 9 indexes such as per capita GDP,per capita net income of rural households,urbanization level,and so on.Through analyses of quantity-fig we can divide all the 12 regions into three types: advanced-type region,middle-type region and depressed-type region.And combining the rapid development strategy of the west regions,we draw a conclusion that the development of the western regions is a long-term economic developing strategy and need to be carried out according to their abilities and suit the measures to local conditions so as to realize the rapid development.