After calculating specimen price and analyzing the limited, interactive and representative samples, this paper discusses how to establish the model of agricultural land digital land price and calculate datums land value. Taking Yidou City in Hubei Provience as an example, this paper evaluates its agricultural land datums land value by using the above method and analyzes the results. Methods of geostatistic model, case study and investigation were employed. The results indicate that its usufruct price ranges from 15.89 yuan/m^2 to 9.35 yuan/m^2 ,at the same time, the whole evaluation precision ...