Abstract: Urban geography is a young discipline of geography,and an important branch of human geography.The origin,formation and development process of urban geography are discussed.Urban geography originated west Europe and North America.The Central Place Theory proposed by Christaller played a significant role in the development of urban geography.Although China has a long history in urban development,urban geography came into being late.In the semi-colonial society time,urban geography developed at a very low speed because of very low productivity.In fact,urban geography of China began to develop in the 1950s and the 1960s.China has made great progress in urban geography since 1978.Lots of researches have been completed on the function,size,character,spatial structure,development and trend of a city,and urban system.Many important articles and books have been published.They enriched the research scope of urban geography.