Account mapping method and device based on address information

An account mapping method and device based on address information, for establishing an association relation between different account systems, and relating to the field of network techniques. The account mapping method based on address information comprises: respectively extracting first address information items from a plurality of first account information items provided by a first service side, and respectively extracting second address information items from a plurality of second account information items provided by a second service side (S101); for each extracted first address information item, searching the extracted second address information items for a second address information item matching the first address information item (S102); upon finding a second address information item matching the first address information item, establishing a mapping relationship between the first account information item to which the first address information item belongs, and the second account information item to which the found second address information item belongs (S103).