The invention discloses an automatic hosiery machine sock moving device which can automatically and accurately move socks and reduce energy consumption and failure rate of the device. the technical scheme includes that the automatic hosiery machine sock moving device comprises a vertical column, a long sock suction cylinder and a sock moving mechanism, the long sock suction cylinder is fixed in the vertical column, the sock moving mechanism is arranged at the top of the vertical column, the sock moving mechanism comprises a sock moving seat, a rotating cylinder, an output rotating shaft, a fixing ring and a sock moving plate, the sock moving seat is fixedly connected with the outer surface of the top of the vertical column, the rotating cylinder is arranged on the lower portion of the sockmoving seat, the output rotating shaft is connected with a rotating shaft of the rotating cylinder, the fixing ring is arranged on the output rotating shaft, the sock moving plate is fixed onto the fixed ring, the rotating cylinder drives the output rotating shaft to rotate to drive the fixing ring and sock moving plate to rotate, and socks are taken into an opening of the long sock suction cylinder from the side of the vertical column. The sock moving device solves the problems of high production cost, low production efficiency and the like caused by the shortcomings of an existing sock moving device.