An electronic device is provided. The electronic device includes a microphone, a display, a camera, a processor, and a memory. The processor is configured to receive a first utterance input through the microphone. The processor is also configured to obtain first recognized data from a first image displayed on the display or stored in the memory. The processor is further configured to store the first recognized data in association with the first utterance input when the obtained first recognized data matches the first utterance input. Additionally, the processor is configured to activate the camera when the first recognized data does not match the first utterance input. The processor is also configured to obtain second recognized data from a second image collected through the camera and store the second recognized data in association with the first utterance input when the obtained second recognized data matches the first utterance input.