Abstract: Since the term ‘edge effect’ came into being in 1933,research has since sharpened to the science,practice and scope of this field to cover a wider variety of agricultural productivity. This paper extends the connotation of edge effect and presents diverse applications of edge effect in agricultural production. The principle of edge effect applies to planting and animal cultivation agriculture,agricultural ecosystem diversification and comparative species resources exploitation.Until recently,research has revealed that edge effect has a far-reaching impact on the prevention and cure of crop diseases and insect pests.