The author presents a brief introduction to and expatiation on neccessity of establishing a cultivated land quality monitoring system in basic farmland conservation zones, structural contents and management of the system, and points out that it is essential to reasonably specify contents of monitoring and lay out monitoring posts scientifically in light of purposes of the monitoring, e.g. soil building, pollution control, farmland budget balancing, etc.. The author also holds that it is important to set up a cultivated land quality information management system and specify in detail requirements for management of the monitoring system.