本文从系统观和民主观角度 ,对福建会堂和厦门会堂设计作了多层次的评析。提出了以系统论为基础的群体优化理论和以民主化为核心的“共有城市”思想。作者认为 ,应以系统的整体性 ,结构性、层次性和开放性 ,作为建筑创作与评论的指导思想 ,把人民性和民主性 ,作为时代精神和本世纪议题提上建筑创作的议程。 This article makes a multi-level analysis of the design of Fujian’s synagogue and Xiamen’s synagogue from the perspective of system and democracy. Put forward the theory of group optimization based on system theory and the idea of ​​“shared city” with democratization as the core. The author believes that people should consider the generality, structure, hierarchy and openness of the system as the guiding ideology of architectural creation and commentary, put the people’s character and democracy on the agenda of architectural creation as the spirit of the times and the topics in this century.