Provided are an electronic device capable of providing text information corresponding to a user voice through a user interface and a method of controlling the electronic device. Specifically, an electronic device according to the present disclosure, when an image including at least one object is obtained, analyzes the image to identify the at least one object included in the image, and when a user voice is received, performs voice recognition on the user voice to obtain text information corresponding to the user voice, then identifies an object corresponding to the user voice among the at least one object included in the image, and displays a memo user interface (UI) including text information on an area corresponding to the object identified as corresponding to the user voice among areas on a display.