The reuse of removed components of Chinese traditional architectural decoration in the modern environmental design can be divided into constructive, aesthetic and symbolic applications. Among them, the constructive application mainly includes restoration in other locations, combination of old and new, replacement of old with new etc.; aesthetic application can be divided into imitation of old and direct use of demolition; symbolic application is mainly concerned with the extraction of Chinese traditional architectural decorative elements and the application of the most representative elements as the symbols in modern environmental design. The reuse of traditional architectural decoration removed components with the integration into the environment by modern design technique could endow modern architecture with historical and cultural charm by keeping the modern sense, which infuses a new life and vigor into the traditional architectural decoration.