Electronic device equipped with accessory cover and method therefor

An electronic device includes a communication module for communication with an accessory cover including a first cover and a second cover, at least one sensor module, a display module, a memory and a processor operatively connected to the communication module, the at least one sensor module, the display module, and the memory. The processor may detect mounting of the accessory cover through the communication module, check sensing information regarding the first cover and the second cover by using the at least one sensor module, and change, on the basis of the sensing information, configuration information for the display module when the first cover is open and the second cover is closed.