A method and an apparatus for information interaction, and a method and an apparatus for associating human biometric data with an account are disclosed. The information interaction method includes: acquiring, when an information interaction operation with a user account of an information interaction party is triggered, human biometric data of a user acting as the information interaction party; suspending the information interaction operation when determining that no matching user account exists according to the human biometric data, and uploading the human biometric data to a server by a device to establish an association relationship between the user account of the user and the human biometric data; and resuming the information interaction operation when a user account matching the human biometric data sent by the server is received, and completing the information interaction operation with the user account matching the human biometric data.