Abstract: This paper focuses on the topic of how to choose correct methods and resolve a concrete calculation according to the characteristics of agricultural land. The authors set up the agricultural land price system which includes the categories,ranks of the datum land price and changing slope.This work provides a scientific basis of the land transfer and the land taxes of different levels in rural areas, accelerates to preserve arable land and positively adjusts land use structure.This theory has been used with the land grading and appraising of the countryside in Wenzhou City, and has comparatively good theoretical and practical significance to deepening the reform of the property system, establishing the reasonable land market,and regarding the land resource as a property.