In the process of urban agglomeration development, space distribution and form structure develop ceaselessly. The space patterns of urban agglomeration are related to city production, living standards and a series of important issues such as developing and reforming rationally. In December, 2007, Changsha, Zhuzhou, and Xiangtan have been became one Megalopolis of "two-oriented" society. It indicated that our urban agglomeration development has entered the new stage. In this paper, Changsha-Zhuzhou-Xiangtan Megalopolis was study as an important object. The technology of the study is RS and GIS ...