文章基于信息生态理论,运用扎根理论研究法分析公共图书馆老年人健康信息服务质量评价要素并构建信息服务质量评价体系，选取我国8家常态化开展老年人健康信息服务的公共图书馆开展实证研究，并立足信息生态视角从健康信息人、健康信息服务、健康信息技术和健康信息环境4个维度提出公共图书馆老年人健康信息服务高质量发展路径，即提升老年用户健康信息素养，改善信息生态失衡现象；增强服务精准性和信息可用性，促进生态系统的信息流转；加强新兴信息技术应用，补足信息生态技术短板；推动内外部环境协同，实现健康信息生态可持续发展。

Based on the information ecology theory, this paper uses the grounded theory research method to analyse the assessment elements of elderly health information services quality in public libraries, and constructs health information quality evaluation system， selects 8 public libraries that regularly provide elderly health information serrvices to develop empirical research, highquality development paths for elderly health information services in public libraries are proposed from the perspective of information ecology and from four dimensions of health information people, health information service, health information technology, health information environment, which includes enhancing the elderly users' health information literacy, improving the imbalance of information ecology; enhancing service accuracy and information availability, promoting information flow in the ecosystem; strengthening emerging information technology applications, filling the technological gaps in the information ecology; promoting internal and external environmental coordination, achieving sustainable development of the health information ecology.