With the sudden growth of information technology, network resources and resource search technology have been developed rapidly. However, general search engines such as Google and Baidu are difficult to satisfy our retrieval requirements in professional field because the lack of professionalism. This paper constructs a vertical educational resource oriented search engine based on the circumstances of educational field. This search engine adds the professional vocabulary on the basis of general search engine, and puts forward an improved sequencing algorithm based on specialized vocabulary. Thes...