Husbandry, as the backbone industrialization of the Loess Plateau, its sustainable development must follow the listed principle: It is prerequisite that farm must provide enough food by improving the yield per area and environment must to be maintained and improved, then farmer' income probably be improved and the poverty status be changed. At the same time sustainable development need to solve the inner contradiction of husbandry, optimize and harmonize the outside condition i.e. the support of economic, social and technique system.