Provided is an electronic device including a body part, a glass member disposed on the body part, a display disposed on the glass member, a support part rotatably connected to the body part, a sensor including an eye tracking camera and a front camera configured to capture an image of a front side of a user, and a processor operatively connected to the display and the sensor, wherein the processor is configured to output at least one content via the display, recognize at least one object by the front camera, obtain the user's gaze dwell time for the object by the eye tracking camera, based on the gaze dwell time being longer than or equal to a reference time, obtain an area occupied by the object in a field of view (FOV) of the front camera, based on the area, output the at least one content on a region having no overlap with the object, or reduce a size of the at least one content and output the at least one content on one side of the display, and based on the user's gaze dwell time for the object being less than the reference time, output the at least one content in a type identical to an initial output type.