Abstract: Based on the definition of the concept for cultivated land resources security, the paper research on status of cultivated land resource security in Anhui. From demand and supply, in the research, the paper gives a more scientific prediction for security of cultivate land resources in 2020 by introducing the quality of cultivated land conversion method. The results show that by 2020, the cultivated land security supply is 5741900 hm2, more than forecast demand for cultivated land security (5515400 hm2) nearly 260000hm2. In theory, cultivate land resource security can be protected, but in fact, cultivate land security still faces significant pressure. In the end, the measure is proposed for the present problems in this paper.