Abstract: [Purpose/Significance] By participating in the establishment and improvement of the government public opinion information service system, the library can give full play to its own advantages, provide information support for government departments to make decisions, help improve the work efficiency of government departments, improve the ability of government departments to deal with practical problems, and jointly guide a good network atmosphere and social atmosphere with the government. [Method/Process] According to the characteristics of direct, interactive, rich, sudden and deviant dissemination of public opinion information in the new media era, the network platform is used to convey public opinion, and information technology is used to provide technical support for the library to monitor network public opinion. [Result/Conclusion] Under the new media era, the public opinion information service of our country's library government can adopt the public opinion service mode of software and hardware construction, multi-library co-construction and sharing, and public opinion pushing. Through the retrieval area and retrieval strategy, the information collection strategy can be formulated, and the public opinion analysis can be carried out in five aspects: information source monitoring, transmission quantity statistics, transmission range monitoring, development trend analysis, and emotional attitude analysis.

Key words: new media, government sensation, lyric services, information services, library