Abstract: The construction phenomenon of landscape micro-architecture in the open space of domestic and foreign cities is investigated.The concept of landscape micro-architecture is defined from the perspective of landscape building,and the difference of spatial categories is the main difference between the two.It is concluded that the landscape micro-architecture has certain characteristics of commonality,strong ornamental,pleasant scale,functional uniqueness and remarkable recognition.It points out that the landscape micro-architecture focuses on the functional beauty and defines the functional beauty concept.Based on the landscape micro-architecture,the composition and reasons of the landscape building design course system of Huazhong University of Science and Technology are expounded.