This paper was written on base of the genera] remote sensing reexamination of resources in Sanjiang Plain which is about 18

900 km2. In this article we discussed the achievements of current situation map of interpretation

image map

data of resourse reexamination and comprehensive evaluation in the following six aspects: the selection and application of remote sensing data

the making of geographic basis map

the principles and systems of classification

the steps of interpretation and the technological process of mapping

the analyses of the quality of satellite image

the precision of map and the current situation of land use. The methods and achievements discussed in this article are high precise

fast

high economic efficient and are valuable to extend.