[Purpose/significance] From the perspective of policies and regulations,this paper investigates the personal information protection practices in the United States,the United Kingdom and New Zealand,which can provide references for personal information protection in China.[Method/process] Article using the research methods of literature research and comparative analysis,obtaining firsthand information on the us and UK new three kingdoms of personal information protection policies and regulations,to protect personal information relevant concepts,institutions,personal information protection of personal information protection of personal information to register notices of violation of personal information protection,analysis and summary.[Result/conclusion] It is suggested that China should improve the legal and regulatory system of personal information protection,further clarify the concepts related to personal information,set up personal information protection agencies,formulate personal information registration rules,and construct the notification system of privacy violation.