A printed circuit board and an electronic device including the printed circuit board are provided. The electronic device includes a housing, and a printed circuit board located in an inner space of the housing, wherein the printed circuit board includes a component disposition area in which at least one component is disposed, a pre-forming area in which a plastic deformation material is laminated as a polymer material for inducing plastic deformation on a part of the printed circuit board, and a flexible area having flexible characteristics and on which the plastic deformation material is not laminated.