Abstract: Under the guidance of the current high-quality connotative development goal, urbanization is gradually shifting from "incremental expansion" to "optimization of existing stock". Urban renewal has become the dominant direction for future city development. In particular, historical and cultural blocks are key carriers of urban history and culture. How to facilitate modernization and sustainable development of blocks while protecting historical buildings has become a critical challenge for urban renewal. To explore how historical preservation can coexist with sustainable urban development, a case study was conducted based on Xinhepu Historic and Cultural Block, one of Guangzhou's first designated historical protection areas. The development trajectory and challenges against the block were analyzed from the perspective of spatial resilience by combining field survey, literature analysis, and participatory research. The role and performances of a micro-renewal strategy in historical building protection and modern urban development were discussed.
　　The Xinhepu Historic and Cultural Block is distinguished by its unique fusion of Chinese and Western architectural styles, particularly its exposed brick construction. However, the block has encountered a range of issues with progress in urbanization, including disorganized spatial layouts, aging infrastructure, and ambiguity of cultural identity. These issues diminish the block's vitality and threaten the preservation and inheritance of its historical architecture. Based on emphasizing spatial resilience on adaptation and restoration of urban space systems to various impacts and pressure, this study attempts to integrate historical buildings and surrounding material infrastructure with the social network of the block. It does so through small-scale, low-cost, and progressive micro-renewal strategies to improve the multifunctionality of historical buildings in blocks, strengthen their structural stability and functional adaptability, and finally bring new vitality to historical buildings.
　　Research indicates that micro-renewal strategies achieve a certain degree of balance between preserving historic buildings and block development. The renewal strategies for the Xinhepu Historic and Cultural Block primarily focus on building space, infrastructure, and block culture. These three aspects integrate mutually and assume different roles in protecting historical buildings and facilitating sustainable development of the block. Integrating the building space with the surrounding environment can improve the overall environmental quality of the block and enhance the connectivity of space in the block. Renewal of landscape facilities improves block vitality and space experience effectively. The innovative integration of traditional appearance and modern technology inherits the culture of historical buildings and strengthens the modern interpretation of culture. This aligns with the current theme of sustainable development of historical buildings.
　　Generally, guided by spatial resilience, using micro-renewal strategies in renewing the Xinhepu Historic and Cultural Block can protect historical buildings and improve the block's vitality. It can realize the win-win outcome of historical context protection and modern sustainable development. It provides some references to the renewal of similar historical blocks in China. Future studies can further discuss the applicability of micro-renewal strategies to different types of historical blocks Moreover, studies on how to promote the use and practice of micro-renewal strategies through policy support and community participation to realize more extensive protection and renaissance of historical cultural blocks are needed.

Key words: micro-renewal, historic buildings, planning strategy, historical cultural blocks

摘要： 在目前高质量内涵式发展的总目标下，城市化路径由“增量扩张”向“增存量优化”转变，城市更新逐渐成为当下乃至未来城市发展的主导方向，尤其是具有巨大优化潜力的历史文化街区。以广州市首批历史文化保护区的新河浦历史文化街区为例，从空间韧性视角出发，通过实地调研、文献分析和参与式案例研究，分析了街区发展现状与挑战，探析了微更新策略在历史建筑保护与现代城市发展中的作用表现。研究表明，新河浦历史文化街区的更新策略主要集中在建筑空间、基础设施和街区文化三方面，三者相互融合且各自在历史建筑的保护和促进街区可持续发展中承担不同作用。结论表明，新河浦历史文化街区的微更新策略不仅有效保护了历史建筑，还成功提升了街区的整体活力和可持续发展能力，为类似历史文化街区的更新提供了重要参考。

关键词: 微更新, 历史建筑, 规划策略, 历史文化街区