[目的/意义] 突发公共事件影响并改变着人们的日常生活与行为习惯。非常态化环境下，公众的阅读需求、阅读方式与习惯也相应发生变化，这对图书馆阅读推广服务提出了新的挑战与要求。[方法/过程] 根据相关理论及法理依据，探讨突发公共事件中图书馆阅读服务所承载的责任与功能，结合当前"新冠肺炎"疫情下的公众阅读需求特点与行为习惯，针对性地提出阅读服务供给策略和可行性建议。[结果/结论] 图书馆要对突发公共事件信息进行科学筛选，积极开展危机应对的定题服务，在强化线上阅读推广的同时，注重读者群体的心理调节，进一步提升价值功能与影响力。

[Purpose/significance] Sudden public emergencies affect and change people's daily behaviors and habits. People's reading demands, reading mode and reading habits change in the abnormal environment, which pose new challenges and requirements to the reading promotion service of libraries.[Method/process] This paper discussed duties and functions carried by library reading service from the viewpoint of related legal principles and academic theories. Meanwhile, it put forward specific supply strategies and feasible suggestions in reading service in light of the features of reading demands and reading behaviors and habits of the public in the epidemic situation of current "novel coronavirus pneumonia".[Result/conclusion] Libraries should select the information of public emergencies scientifically, and carry out crisis response consulting services. Pay attention to the psychological adjustment of readers while improving the way of online reading, further enhancing functions and influences in dealing with sudden public emergencies.