Abstract: 【Purpose/significance】Microblog is an important channel for public libraries to carry out social promotion, industry com?
munication, and user interaction. The research on the social network structure characteristics and influence of public library microblog
opinion leaders from the perspective of social network can provide reference for public libraries to optimize microblog marketing strate? gies and improve their own influence.【Method/process】Selecting 50 public library microblog opinion leaders, the paper firstly uses social network analysis method to reveal the social network structure characteristics of public library microblog opinion leaders; sec? ondly, the active situation and influence level of public library microblog are analyzed by the number of followers, posts, fans and
likes.【Result/conclusion】The regional distribution of microblog opinion leaders in public libraries is uneven, the relationship be?
tween opinion leaders is relatively close, but the degree of concentration is weak; the small groups show similarities in activity and in?
fluence; most libraries are in the low activity and low influence range; the number of fans and likes, with the increase in activity, both
show "stable fluctuations at low values, rapid changes at high values".【Innovation/limitation】Through the methods of social network
analysis, the social structure and influence of public library microblog opinion leaders are obtained. The influence of public library mi?
croblog is only analyzed from the perspective of objective data such as the number of followers and posts. In the future, text analysis
and other methods should be combined to improve the depth of influence analysis.