The invention discloses a supporting structure for a tablet personal computer The supporting structure for the tablet personal computer comprises a machine body  a supporting plate and a connecting unit  the machine body is positioned on a bearing surface  the supporting plate is equipped with a first side and a second side which are opposite to each other  the first side is pivoted on the bottom surface of the machine body  the connecting unit is equipped with a first end part  a second end part and an electric connector which are oppositely arranged  the first end part is pivoted to the bottom edge of one side of the machine body  the connecting unit is electrically connected with the tablet personal computer through the electric connector  the connecting unit is rotated relative to the machine body and enters an opening state or a closing state  when the connecting unit is in the opening state  the tablet personal computer is in an angle to the machine body  when the connecting unit is in the closing state  the tablet personal computer is clung to the machine body  when the connecting unit rotates from the closing state to the opening state  the second end part drives the supporting plate to rotate  and then the second side of the supporting plate is propped onto the bearing surface to lift the side bottom edge of the machine body