Planning and reconstruction of the old city in the future

With the acceleration of urbanization, the renovation planning and renovation of old urban areas have become an important issue. This article conducts an in-depth analysis of a case study on the renovation and planning of an old urban area in China, exploring how to achieve modernisation and sustainable development of the old urban area while preserving its historical and cultural heritage This article adopts a case study method, selects typical cities as research objects, deeply analyses the practical process, effectiveness, and challenges of urban renovation planning and old house reconstruction, and proposes corresponding strategic suggestions. Through detailed analysis and comparison of the case, the aim is to provide useful reference and guidance for other cities in terms of renovation planning and old house reconstruction.