Architectural skyline is an important part of urban landscape, also is the most direct expression of “first impression”. However, with the development of the city, the shaping of the skyline that is contrary to the concept of aesthetics and the position of skyline in the urban form has been gradually ignored. Based on the interpretation of traditional architecture aesthetics theories, the paper introduced its rules as a guide into the development of city architectural skyline, analyzed and concluded the aesthetic characteristics of architectural skyline from the aspects of architectural form and naturalism. It provided theoretical guidance and method reference in the consideration of the creation and development on the city architectural skyline.