This article starts with the analysis of the special natural and human environment characteristics of Macao, and takes the Lou Kau Mansion as an example to discuss the architectural and cultural value of traditional Macao dwellings in terms of settlement characteristics, spatial configuration, architectural style, door and window decoration and so on. It also conducts research on the protection and inheritance of Macao’s traditional residential buildings, and proposes that the protection should combine the characteristics of the new era featur...