Landscape city is a new concept of city construction which is proposed by Chinese famous scientist Qian Xuesen.It contains many factors such as garden、culture、art 、technology . Landscape city covers the western modern urban theory, and at the same time Chinese culture connotation, it stands for 21st century Chinese socialist urban development ideal direction. In the early of 1990s, one of the famous scientists of China, Professor Qian Xuesen proposed the concept of landscape city, and it embodies Qian’s deeply expectation that the cities in the 21st century are landscape cities. What is the landscape city? From Professor Qian’ 68 pieces of articles, letters and interviews, we can conclude a formula that is: Landscape City = Garden City + culture city + art cities + modern technology city. Our cities have different natural and geographical conditions and also have different society function. But for most of them, should set landscape city as their development goal, this should be the Chinese nation’s noble ideals of the living environment in the 21st century.