As the problem of aging of population becomes more and more obvious in China, Demands for aging adapting functions in existed residential buildings becomes much more urgent. Virtual Reality as a visual method has received a lot of attention. Using virtual reality method in existed residential buildings renovation will give great help to satisfy demands of aging adapting functions. According to the current situation of our country, in this paper, one rapid building three-dimensional (3D) scene tool based on virtual reality has been developed to meet the demands for aging adapting functions in existed residential buildings. @The paper supported by Government Special Fund in 2016 (PXM2016_178215_000006 and PXM2016_178215_000011)， Which name is" Development of one low cost and rapid building 3D scene platform based on demands for aging adapting functions in old communities" .