Abstract: Cultivated land is the most basic mean of agricultural production.Quantity and quality of cultivated land are directly related to agricultural efficiency，farmers′ income and sustainable development of agriculture.Supplementary cultivated land quality evaluation was important technical mean to accurately measure cultivated land quality，strengthen cultivated land quality regulation，and ensure dynamic balance.Main methods of quality evaluation，existing problems and related suggestions for project cultivated land in Liuhe district of Nanjing city were mainly introduced.