An electronic device and an operation method of the electronic device are disclosed. The electronic device includes a communication module, a memory and a processor. The communication module is configured to communicate with a communication relay. The memory is configured to store registration information of at least one IoT device and scenario information associated with operating an operation state of at least one registered IoT device according to information associated with an unregistered external electronic device. The processor is configured to receive the information associated with the unregistered external electronic device via the communication relay. The processor is also configured to select the scenario information corresponding to the information. The processor is also configured to transmit a control command corresponding to the scenario information to at least some IoT devices corresponding to the scenario information among the at least one registered IoT device depending on the scenario information.