A mobile terminal, comprising: a terminal body having a front surface and a rear surface; a display unit disposed on the front surface, and configured to output visual information; and a rear input unit disposed on the rear surface, and configured to receive a control command by a push input, wherein the rear input unit includes: a button portion, wherein at least part of the button portion is exposed to outside via a through hole formed at a case of the terminal body; wherein the mobile terminal further comprises: a main printed circuit board providing a space where one or more electronic devices are mounted; a shield can installed at the main printed circuit board so as to cover at least one of the electronic devices; a reinforcing member disposed on at least part of the shield can, a sub printed circuit board electrically connected to the main printed circuit board, and disposed on a portion of the reinforcing member, wherein the shield can, the reinforcing member and the sub printed circuit board are overlapped for supporting the sub printed circuit board. a terminal body having a front surface and a rear surface; a display unit disposed on the front surface, and configured to output visual information; and a rear input unit disposed on the rear surface, and configured to receive a control command by a push input, wherein the rear input unit includes: a button portion, wherein at least part of the button portion is exposed to outside via a through hole formed at a case of the terminal body; wherein the mobile terminal further comprises: a main printed circuit board providing a space where one or more electronic devices are mounted; a shield can installed at the main printed circuit board so as to cover at least one of the electronic devices; a reinforcing member disposed on at least part of the shield can, a sub printed circuit board electrically connected to the main printed circuit board, and disposed on a portion of the reinforcing member, wherein the shield can, the reinforcing member and the sub printed circuit board are overlapped for supporting the sub printed circuit board. a button portion, wherein at least part of the button portion is exposed to outside via a through hole formed at a case of the terminal body; wherein the mobile terminal further comprises: a main printed circuit board providing a space where one or more electronic devices are mounted; a shield can installed at the main printed circuit board so as to cover at least one of the electronic devices; a reinforcing member disposed on at least part of the shield can, a sub printed circuit board electrically connected to the main printed circuit board, and disposed on a portion of the reinforcing member, wherein the shield can, the reinforcing member and the sub printed circuit board are overlapped for supporting the sub printed circuit board. a main printed circuit board providing a space where one or more electronic devices are mounted; a shield can installed at the main printed circuit board so as to cover at least one of the electronic devices; a reinforcing member disposed on at least part of the shield can, a sub printed circuit board electrically connected to the main printed circuit board, and disposed on a portion of the reinforcing member, wherein the shield can, the reinforcing member and the sub printed circuit board are overlapped for supporting the sub printed circuit board.