Abstract：This article reviews the theories related to Western Smell Urbanism and summarizes the studies on the connection
between urban smell and space in history, marketing, cartography, urban design and architecture. It categorizes the
research on Smell Urbanism into traditional urban smell, smell marketing, smell map, and urban smellscape and art
smell, and reviews the relevant research of the leading scholars in each field to establish a preliminary research framework
of Smell Urbanism.