Because of the explosive development of the Internet today, network education resources are becoming more and more valuable, and so is the rapid development of the information teaching environment. Let us pay more attention to the construction of teaching resources. In order to help schools improve the quality of teaching and promote the reform of basic education in China, the teaching resource bank must be enriched in connotation and perfect in function. However, the current teaching database is still facing some difficulties in the construction process, such as insufficient information, and database content structure relative disorder. In fact, the progress of computer technology is likely to help overcome the above difficulties, but there are still some problems in the construction process of the current teaching resource database, such as the connotation of teaching resources is not full, the organization structure of the content of the education resource database is relatively messy. The development of computer technology is likely to help solve the above problems. Therefore, the research on constructing the service system using computer technology has become a very key and hot topic today. Based on the current situation of resource library construction and the classification and summary of some technical problems, the author of this study puts forward a set of methods and procedures for the construction of a multimedia English teaching resource library. An improved hybrid clustering algorithm ISPO + K-means was proposed to integrate PSO and K-means. Compared with other algorithms, the algorithm clustering results are better. Based on this process, this study can automatically sort and classify the collected learning resources, reduce the consumption of manpower and material resources, and improve the service efficiency of the resource library. The purpose of this study is to find the methods that can use information technology to serve the construction of a multimedia English teaching resource bank, hoping to provide a valuable reference for the related research on the construction of teaching resource bank.