A communication method performed at an electronic device includes receiving first identification information through an auxiliary device which is connectable with the electronic device, comparing the received first identification information with second identification information stored in the electronic device, and connecting with an external electronic device through local communication based on at least one of the first identification information or the second identification information, if the first identification information and the second identification information are different from each other. An electronic device includes a processor configured to control the display, the memory, or the communication module, and connect with an external electronic device through local communication based on at least one of first identification information received through the auxiliary device or second identification information stored in the memory.