Method and device for updating address list

The invention relates to the technical field of networks, and provides a method and device for updating an address list. The method and device aim at solving the technical problem that in the prior art, information of strange communication numbers can not be supplied to a user. The method includes the steps of obtaining M communication numbers from a server, wherein the M is a positive integer; determining a contact list, corresponding to the M communication numbers, in the address list of a current electronic device; updating the contact information under the contact list corresponding to the M communication numbers through the M communication numbers. The technical effect that when the electronic device receives communication contents of the strange communication numbers, the information of the strange communication numbers can be provided for the user is accordingly achieved.