Proceeding from the regionality of the ecological environment in Harbin-Changchun City Cluster，this report exponds the necessity of integrated development of ecological environment in this cluster and evaluates the ecological development of the cluster. General strategies for environmentl protection is raised，and on basis of functional secterization of ecological environment，a propose focusing on a landscape ecological space structure of “3 clusters，4 districts，5 zones” is put foward. The report ends with providing specific protecting strategies both by area and by category.