In response to the increasingly prominent problems of urban land use reduction and population
density increase in first- and second-tier cities, through the design and research of the fifth facade of the building,
the design method and space use of the fifth facade of the building are analyzed, and the urban development is
solved and improved. Ecological and environmental problems in the In the design of the fifth facade of existing
buildings in China, the actual renovation design and roof utilization rate are not high, because of this, the
renovation design of the fifth facade has great potential space. Through the interpretation of relevant design
cases, in-depth discussion of the design and application of the fifth facade of the building in different regions,