Abstract: The purpose of this paper is to conduct research of land evaluation and site assessment based on agricultural land classification results and promote its transformation application in land evaluation field. Taking Lingyuan city in Liaoning province as an example, making full use of agricultural land classification results, the farmland quality and site condition were evaluated separately based LESA method, and the system of farmland evaluation and site assessment was established. The results showed that the total farmland in Lingyuan city was divided into eight grades in this system, the farmland of grade 1-2 had the best natural and site conditions, the farmland of grade 3-5 had normal natural conditions, but being influenced large differently by site conditions, the farmland of grade 6-8 had poor natural conditions and bad site conditions. It is concluded that the system of land evaluation and site assessment established on the basis of results of agricultural land classification is feasible, and the selection of site factors should accords to the native condition.