Abstract: Geological heritage is very important resources of tourism, and also is the basis of Geopark construction. So, the survey and assessment of geological heritage are essential in the construction and development of Geopark. As the geological heritage is a kind of the composite natural resources, into nature, rarity, typical, integrates scientific and ornamental, it includes scientific research, tourism, education and other important functions and role. So that the geological heritage determination of the content and choice of evaluation methods are put forward higher requirements. Therefore, this article based on the geological heritage characteristic analysis in the Geopark. This paper using AHP and comprehensive evaluation (weighted sum of multi-index comprehensive evaluation model), and expert consultation combining three types of evaluation method, calculate the geological heritage resources and acquires a quantitative result was 8.561. And the result provided reference for the protection, development and construction of Bayan nur National Geopark.