The present disclosure relates to the technical field of protective case, in particular to a protective case for electronic device and a method for manufacturing the same. The protective case for electronic device includes an inner shell, an outer shell, and a magnetic interlayer that fits and in contact with the inner shell and the outer shell, wherein: the magnetic interlayer includes an interlayer base material and a magnetic part, the magnetic interlayer is provided with a through installation hole, and the magnetic part is fixedly embedded in the installation hole, the thickness of the magnetic part matches with the depth of the installation hole, the interlayer base material includes a hot-melt base material and reinforcing fiber yarn contained in the hot-melt base material, and the hot-melt base material is filled between the magnetic part and the inner side wall of the installation hole.