Change of cultivated land is the core of land cover change,and also the change and its trend may reflect basic state of economy.Data obtained from statistical sources are used to analyze spatial and temporal change of cultivated land and driving forces by using relevance analysis,principal component analysis and regression analysis.The result indicates that besides total population and the amount of livestock,policy is also the dominant factor for change of cultivated land in Haiyan County.Countermeasures for sustainable use of land resources are discussed.The study will offer a reference to the protection of cultivated land in Haiyan County.