According to various embodiments, an electronic device, which is a foldable electronic device, comprises: at least one sensor; a hinge; a first housing having a portion connected to the hinge; a second housing having a portion connected to the hinge; a flexible display arranged on the first housing and the second housing; and at least one processor, wherein the at least one processor is configured to: display a first content on the flexible display on the basis that a folding angle between the first housing and the second housing corresponds to a first angle range; identify user viewpoint information of the foldable electronic device on the basis that the folding angle between the first housing and the second housing corresponds to a second angle range; transform the first content on the basis of information on the folding angle and the user viewpoint information and display the transformed first content on a first region of the flexible display; and display at least one color set for background processing, on a second region different from the first region. Various other embodiments are possible.