Provided is an electronic device comprising: a first unmodified section, which is one part of an electronic device having a modifiable shape and has a fixed and retained shape; a modification section extending from the first unmodified section and capable of being bent in one direction; a second unmodified section extending from the modification section and formed to be smaller than the first unmodified section; a flexible display arranged on one surface across the first unmodified section, the modification sensation and the second unmodified section; an elastic plate arranged on the other surface across the first unmodified section, the modification section and the second unmodified section; and a shape fixing unit provided in the first unmodified section or the second unmodified section so as to retain the modified shape of the electronic device. Additionally, other embodiments are possible.