The situation of agricultural environment in the Loess Plateau in north Shaanxi and reasons for its worsening were described. It was pointed out that constructing eco-agriculture is the basic strategy for improvement of agri-environment. Paying attention to education is the important way for the improvement of environment. To establish self sufficient grain production and timber forest，.conservational grass and shrub land，commodity animal husbandry and fruit production is the basic principle for development of agricultural economy and improvement of eco-environment in this kind of areas.