Green infrastructure (GI) is ecological supporting system for the sustainable development of urban construction,and plays an important role in promoting the urban ecological economic and social development.In this paper,Suzhou Dushu Lake Higher Education District is taken as an example,and landscape ecological resources in Dushu Lake Higher Education District are analyzed on the basis of field investigation.Combining with the relevant theory of green infrastructure,structure of GI in Suzhou Dushu Lake Higher Education District is analyzed and evaluated from hubs,links and sites,and the corresponding optimization strategy is put forward.