An electronic device according to various examples comprises: a housing, in an unfolded state, including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction and including at least one flexible portion; a touch screen display arranged between the first surface and the second surface of the housing, exposed through the first surface of the housing, and when viewed from above the first surface, including at least one flexible portion at a position corresponding to the flexible portion of the housing; and a pressure sensor arranged between the touch screen display and the second surface of the housing, and when viewed from above the first surface, including at least one flexible portion at a position corresponding to the flexible portion of the housing. The pressure sensor comprises: a first electrode layer formed substantially in parallel to the touch screen display; a second electrode layer spaced apart from the first electrode layer in the second direction and formed substantially in parallel to the first electrode layer; and a dielectric layer arranged between the first electrode layer and the second electrode layer. Other examples are also possible.