An electronic device is provided including at least one microphone, a communication circuit, a processor and a memory, wherein the memory stores at least one application program or a software program executing a voice instruction, which is triggered in response to a voice input, upon the performance, the memory stores instructions to allow the processor to sequentially receive a plurality of utterances including a first speech element from a first user through the at least one microphone, generate a voice recognition model of the first user on the basis of at least some of the plurality of utterances, store the generated voice recognition model in the memory, and transmit the generated voice recognition model of the first user to the outside through the communication circuit so that a first external device uses the generated voice recognition model of the first user.