In China, urban construction has entered the stage of stock regeneration, and the development of traditional urban regeneration is facing more challenges and difficulties. Interim use is considered as a tool to solve the traditional problems of regeneration, promote the revitalization of the old city, and trigger the vitality of the community. It has become a research hotspot to integrate interim use with the overall goals and formal planning system of urban development and make it a catalyst for sustainable development. This study aims at exploring the phenomena of interim use and its role in promoting urban regeneration, summarizing the urban design theories and strategies derived from interim use, and providing an innovative idea for solving problems about urban regeneration.