Pedestrian space is the main place for people to move around and interact, and is closely related to the vitality of the city. However, with rapid urbanisation, pedestrian spaces are experiencing a loss of vitality, with the good urban public life disappearing. Since the end of the last century, valuing pedestrian space and enhancing public vitality has been a worldwide call. The question before us is how to create intimate and vibrant pedestrian spaces in a fast-moving modern city. It is of great practical importance to review the development of related theories, examine the current situation of urban pedestrian spaces, and study the methods of enhancing the pedestrian space vitality.