This paper introduces the dynamic and space-time of architecture aesthetics, and gives the application of aesthetics in the modern architectural design, puts forward the design the building belongs to the times and nation, with the national culture and the whole human emotions. The concept of modern architectural design is to do the whole processing in the building color, proportion, texture. The building is through the transformation and the shape of the environment, the stunning beauty and education presented in front of us, embodies the unification of utility function and mental function of architectural beauty, this is also the significance of existence of architectural design.