According to various embodiments, an electronic device includes: a flexible display; a processor electrically connected to the flexible display; and a memory electrically connected to the processor, wherein the memory, when executed, may store instructions to cause the processor to display a first portion of a main page including a first object group in a folded state of the flexible display, and when the flexible display is spread, to display a second portion of the main page including a second object group in which at least one object is hidden, along with the first portion of the main page, and in response to a user input for unhiding of the second object group in which at least one object is hidden, to display the second object group in a second portion of the main page. Other embodiments are possible.