To professional polymerization the internet technology information and realize public data sharing, and to create knowledge-benefit environment through internet S&T information trend analyzing, has become a subject that scientific management and knowledge innovation must face. So, based on analyzing the scientific workers’demand for public information search in S&T area, draw lessons from industry search mode, design and apply vertical search engine technology polymerizes internet technology information resources, constructs S&T information resources database and network public data sharing platform. It also explores and discusses, through the establishment of S&T information network situation analysis, contributing to the knowledge innovation.