With the development of internet, the digital library has played a more and more important role in the modern library. In this article, aiming to problems of the digital library including the poor congnunication with the readers, the lacking of the readers' comments and failing to share the digital resource evaluation and the exchanges between the digital libraries, we present a resource evaluation mode based on the third-party platform for the digital library. By means of web service and according to the digital resource's unique identifying...