The spatial difference of economical development level among the west regions is very evident, as a whole; there are trends of decrease from east to west and from north to south. In order to study them 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 the 12 regions into three types, advanced, media developed and depressed And according to the leap-forward development strategy of the west regions, we draw a conclusion that the development of the western regions is a longtime economic developing strategy and need to act according to their abilities and suit measures to local conditions so as to realize the leap-forward development.