Citing the ‘Urban Catalyst Theory’, the design methods and strategies of industrial heritage renovation under the catalyst theory were discussed to inherit the history and culture, strengthen the interaction and integration with the surrounding environment, support was provided for the sustainable development of the city, and the development of the social, environmental and economic aspects of urban renewal was promoted. Through analyzing the case of High Line Park, the operation mechanism of urban catalyst theory in urban regeneration and its important role in promoting sustainable urban development is illustrated. New theoretical perspectives and practical strategies are provided for the field of urban renewal, and are of great theoretical significance and practical value in promoting sustainable urban development.