The legislative mode on land expropriation has of centralized pattern and the decentralized pattern. The centralized legislation pattern is very characteristic and the decentralized legislation model has many drawbacks, so we should choose the centralized one in our county. When formulating the unified expropriation code, we should pay attention to the coordination and integration of the code with the existing legislation and related policies, and pay attention to the innovation and breakthrough of the code, but we should als...