文章介绍了由致正建筑工作室(空间再利用)、联创国际(保护修缮)和德上建筑(布展设计)合作完成的上海徐家汇观象台修复和再利用设计项目,并以此案例展开对保护实践中真实性问题的再讨论。文章指出,真实性原则落实在保护实践过程中充满了复杂性和选择性,同时也会在优秀建筑师的手中转变为设计的有利条件,拓展出新老对话的更多方式,使历史建筑的价值在独特的空间叙述和场所体验中得以充分呈现。文章进而强调,历史建筑的修复与利用有特定的文脉环境与时代条件,真实性的实践因而也是一种关于历史的当代诠释,建筑遗产就是在时代的诠释中重新成为城市文化演进过程中的一部分。 This article introduces the project of restoration and reuse design of Xujiahui Observatory in Shanghai, which is jointly completed by Zhungeng Studio (Space Reuse), Lianchuang International (Protection and Restoration) and Taks Building (Layout Design). In this case, Discussion on the authenticity in practice. The article points out that the implementation of the principle of authenticity is full of complexity and selectivity in the process of protecting the practice. At the same time, it will also be transformed into favorable conditions for design by the outstanding architects and more ways to expand dialogue between the old and the new, Value is fully represented in unique spatial narratives and place experiences. The article further emphasizes that the restoration and utilization of historical buildings have certain contexts and conditions of the times, so the practice of authenticity is also a contemporary interpretation of history. The architectural heritage is re-emerged as the evolution of urban culture in the interpretation of the times Part.