In his practice of rescuing the country by developing industries and commerce,he made great contributions in many ways;he established a pattern of city alternating with country,built an ecology-friendly industrial structure,advocated tree-planting to protect and improve the environment.

Being one of the contemporary female writers who has a close relationship with land, Sun Huifen’s childhood experience which was spent in countryside stimulates her writing motivation and accumulates lavish writing materials for her, and it also determines her writing themes which are about the things between the city and the countryside.

The paper through reviewing the overseas city and countryside space union theory historical research, grasps the course of scientific thought development, combs the systematization and the ecology trend of this domain research, thus provides reference for our country city and countryside space whole plan.

From the perspective of ecosystem this paper states the significance of continuous green space and the necessity of regional green space study and introduces the concept of urban-rural green space.