Abstract: 472 wild tree species were identified in Hebei's tree germplasm resources survey and 98 of which were considered as the species with landscaping value. According to Analytic Hierarchy Process, the program modules were created, and the weights about the indicators at all levels of landscaping value were fixed. With the census data of tree germplasm resources of Hebei province and using Knowledge Based Engineering technology, the composite weight of each wild species was got then the cluster analysis was carried, the composite weight were classified.