Urban management is widely regarded as one of the most problematic and the most unsatisfactory fields in urban development.The fundamental limitation of traditional urban management is contradiction between the "low-cost/high-efficiency" of single functional institution and the "high-cost/low-efficiency" of unitary urban management caused by the function-institutionalized bureaucracy system.By using modern computer and internet technologies,Citi-PODAS Model recreates a new process of urban management and reforms the institutions.The Model helps not only to eradicate the problems in traditional urban management,but also to make great achievements in realizing the revolutionary and historical progress in China's urban management which is transformed from the traditional to the modern urban management.