Abstract: With the enforcing of the protectionism of farmland,the conflict between protected farmland and developed economy in some region becomes more and more serious,and the discusses of protected farmland beyond the confines of district become hot.The paper defines the mode of protected farmland beyond the confines of district as the mode of cultivated land protection of regional coordination,and uses game model to simulate the existing cultivated land protection mode,as well as simulate the coordination mode of cultivated land protection,and to analyses them.It concludes that on the same cost the coordination mode of cultivated land protection is better than the existing cultivated land protection mode.