Subway and high-speed rail transportation systems,as urban rapid transit vehicles,have become an indispensable part of modern cities.TOD is an urban development mode that centers around public transportation facilities such as subway and high-speed rail,and promotes the comprehensive development of cities,cultural industries,and other areas through urban planning and design.This paper provides an overview and discussion of the TOD transfer planning between subway and high-speed rail,as well as its impact on urban spatial structure,in order to provide some reference and inspiration for urban planning and transportation system construction.