An electronic device (101, 201), comprising: a first communication interface; a second communication interface different from the first communication interface; and a processor electrically connected with the first communication interface and the second communication interface, wherein the processor is configured to: based on a first external electronic device being designated as a target user device for proximity discovery by selecting a contact corresponding to the first external electronic device among a plurality of contacts stored in the electronic device (101, 201), when an input or an application related to performing the proximity discovery is selected, activate the second communication interface to be used for the proximity discovery based on communication state information corresponding to the second communication interface; transmit first information related to the proximity discovery of the electronic device (101, 201) to the first external electronic device through the first communication interface via a request message requesting a proximity paging, the request message containing information about the second communication interface to be used for proximity discovery; and perform the proximity discovery with the first external electronic device through the second communication interface, based on the first information. a first communication interface; a second communication interface different from the first communication interface; and a processor electrically connected with the first communication interface and the second communication interface, wherein the processor is configured to: based on a first external electronic device being designated as a target user device for proximity discovery by selecting a contact corresponding to the first external electronic device among a plurality of contacts stored in the electronic device (101, 201), when an input or an application related to performing the proximity discovery is selected, activate the second communication interface to be used for the proximity discovery based on communication state information corresponding to the second communication interface; transmit first information related to the proximity discovery of the electronic device (101, 201) to the first external electronic device through the first communication interface via a request message requesting a proximity paging, the request message containing information about the second communication interface to be used for proximity discovery; and perform the proximity discovery with the first external electronic device through the second communication interface, based on the first information. based on a first external electronic device being designated as a target user device for proximity discovery by selecting a contact corresponding to the first external electronic device among a plurality of contacts stored in the electronic device (101, 201), when an input or an application related to performing the proximity discovery is selected, activate the second communication interface to be used for the proximity discovery based on communication state information corresponding to the second communication interface; transmit first information related to the proximity discovery of the electronic device (101, 201) to the first external electronic device through the first communication interface via a request message requesting a proximity paging, the request message containing information about the second communication interface to be used for proximity discovery; and perform the proximity discovery with the first external electronic device through the second communication interface, based on the first information.