[目的/意义]立足突发公共卫生事件情境，探究政府门户网站突发公共卫生事件信息公开的内容特征和 质量。[方法/过程]采用多案例研究方法，以J省、H省和Y省的政府门户网站突发公共卫生事件信息专题板块为 研究对象；利用开放编码和内容分析法，形成突发公共卫生事件信息编码，开展描述性统计，探究信息公开的广度 和深度并与相关法律法规中的要点进行比较分析，以此评估三省突发公共卫生事件信息公开质量。[结果/结论] 整体侧重通报类信息的公开，对通知类、服务类、宣传类信息重视不足；信息公开内容的广度、深度均有待提升；基 于法律法规的要求，部分公开内容未能严格遵守相关规定和要求；在回应公众信息需求方面，规范性有待提升。 研究为信息公开内容的合理设置、信息的分类组织及完善相关法律法规以提升信息公开的质量提供了参考。

[Purpose/significance] Considering the situation of public health emergencies, this study explores the con? tent characteristics and the quality of public health emergency information disclosure on the government portals of Prov? ince J, H and Y. [Methods/process] The study adopts a multiple- case approach and content analysis. A coding scheme was developed to examine the content characteristics in terms of the breadth and depth of information disclo? sure, and the topics of information disclosure were also compared with the related laws and policies. In this way, the study evaluates the quality of public health emergencies related information disclosure. [Results/conclusion] The re? sults indicate that the information disclosure of public health emergencies focuses on general information, but ignores information for notification, service and publicity. Both of the breadth and depth of information disclosure content need to be promoted. Some types of information disclosure do not satisfy the requirements of related laws and policies. There? fore, the standardization of information disclosure is called for. The study provides insights for government information disclosure for public health emergencies and helps improve relevant laws and regulations, so as to improve the quality of information disclosure.