Based on the studying results abroad and at home in the field of sustainable land management

this paper mainly studies the structure and principles of indicator system of sustainable land management assessment

and puts forward a frame of indicator system of sustainable land at regional level based on land quality indicators. This frame is mainly based on land quality indicators of whole farmland at regional level

and establishes indicator system based on five main aspects; (1) maintain or improve land quality; (2)the present resources' supply can meet the future's need; (3)rationally utilization of non-renewable resource; (4)give attention to land resource's non-productive funcions;(5)have good social and policy environment.