The invention provides a glass molding machine. The glass molding machine comprises an upper mold, a lower mold, a carriage, electromotors, a press, a rotary disc, a sliding plate, a rapid clamp, a fixing frame and a control box. An upper plate is arranged on the upper portion of the press, a square reinforcing frame is arranged on the upper plate and connected with a driven wheel, and a triangular fixing frame is arranged on the rear portion of the upper plate and provided with the electromotors. The upper mold is arranged on the lower face of the sliding plate, the rotary disc is arranged on a lower plate of the press, a fixed body and a movable body are arranged on the rotary disc, and the lower mold is arranged in the fixed body and the movable body. The rapid clamp is arranged on the rotary disc, machine legs on the lower portion of a rack are connected with lower cross pieces, the upper portion of the rack is connected with the carriage, a vertical reinforcing frame is formed by the carriage and cross pieces, and a sliding device and the control box are arranged on the vertical fixing frame. A spring strip, a hand wheel, a sliding block and a metal gas pipe are arranged on the fixing frame. An iron pipe is arranged on the sliding block, a glass rod is arranged in the iron pipe, a microcomputer, buttons and switches are arranged on the control box, and electric wires on a circuit board of the microcomputer are firstly connected with the three electromotors in parallel respectively through the switches and the buttons.