Based on Zhangbei's special climate and topical environment, different models were put forward for effective utilizing resources of water and land, and the techniques that matched agro-saving water were summarized, according to the requirement of the food production and eco-environment improvment. All the measures were aimed to improve the production efficiency of water and land resources, construct high effective agriculture and stock raising, increase income and eco-environment for local residents, and form a "green gate" and defend barrier for Beijing and Tianjin, by decreasing the area of cropland, stopping excessive farming or grazing, regulating agricultural structure and developing agro-saving water techniques.