Access control device based on Internet of Things

The access control device comprises a first stand column and a second stand column, a bearing platform seat is fixedly installed at the bottom of one side of the first stand column, a driving box is fixedly installed at the top of the first stand column, a gap filling structure is arranged on one side of the first stand column, and a gap filling groove is formed in the second stand column. A door frame is rotationally connected between the driving box and the bearing platform base, an advertising frame is fixedly installed in the middle of the interior of the door frame, a card reader is fixedly installed at the position, close to the top, of the front portion of the second stand column, and an L-shaped groove is formed in the corner position of the rear portion of the second stand column; the access control device based on the Internet of Things has the advantages that the gap filling function is achieved, a crossing gap is prevented from being left between the first stand column and the wall body, the anti-