In this paper, urban concentration disciplinarians were pointed out and the urbanization development advantages were analyzed for Lanzhou city. The author think that urban system constructing is the only way for Lanzhou urbanization. Development orientations for Lanzhou urban system were given by the author. Reflection on the whole development strategies, including strategic goals, strategic emphases, strategic guidelines and strategic measures, of the Lanzhou urban system for 2020 were given in the paper, too.