An operation method of an electronic device, according to various embodiments, comprises the steps of: displaying a notification list; determining a first notification among a plurality of notifications, which are included in the notification list, according to the detection of a first input; and displaying the notification list based on the determination. The first notification is maintained in the notification list even if a second input for initializing the notification list is detected. A second notification among the plurality of notifications is deleted from the notification list according to the detection of the second input.