The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).A subscriber server supporting subscription of an electronic device in a communication system is provided. The subscriber server includes a transceiver configured to transmit and receive a signal, and a controller configured to receive a first subscription connection request message of the electronic device from a terminal, the first subscription connection request message including subscription terminal information of the terminal and identification information of the electronic device, authenticate a user of the terminal on a basis of the subscription terminal information included in the received first subscription connection request message, and transmit a second subscription connection request message of the electronic device to a support server if the user authentication has succeeded. The subscription terminal information of the terminal is used to acquire subscription information of the electronic device so as to subscribe the electronic device.