Abstract: 【Purpose/significance】With the arrival of the era of information explosion, the demand of the reader's personal information collection is increasing under the requirement of accurate and personalized library service. Personal information includes general per⁃sonal information and sensitive personal information., It is urgent to formulate library personal information protection policy in order to protect personal information security.【Method/process】The text of personal information protection policy of 10 representative library websites in China and abroad is selected as the research object. NVivo qualitative analysis software is used to coding analysis based on grounded theory, and then comb the core elements to do contrastive study【. Result/conclusion】Through the text coding, a comparative
analysis of four dimensions is finally formed, which are information sharing and relevant laws, information erratum update and com⁃plaint acceptance, information collection, utilization and storage, information disclosure and protection measures, which provides theo⁃retical reference for the formulation of personal information protection policies of domestic library websites【. Innovation/limitation】The comparative analysis of policy texts based on grounded theory provides a theoretical reference for the formulation of library personal in⁃formation protection policies, and focuses on the research on the theoretical framework of library personal information protection poli⁃cies in China in the future.