A machine head tile pushing structure of an automatic mahjong machine comprises a machine frame, a sliding mechanism and a tile pushing head. The sliding mechanism comprises a big slide block, a small slide bar, a big slide bar and a big rocker arm; the slide block at the end part of the big rocker arm can be arranged in a slot of the big slide block by sliding; the big slide block can be sleevedon the small slide bar by sliding; the small slide bar is fixedly arranged on the machine frame, the big slide bar is fixedly connected with the big slide block; the front end of the big slide bar isfixedly connected with the tile pushing head. The machine head tile pushing structure further comprises a transmission wheel, a small sustaining wheel, a small rocker arm and a shaft of the big rocker arm; the small rocker arm is connected with the big rocker arm relative to the shaft of the big rocker arm; the small sustaining wheel is fixedly connected with one end of the small rocker arm; the other end of the small rocker arm is fixedly connected with the shaft of the big rocker arm; and a reset device is connected on the shaft of the big rocker arm. The machine head tile pushing structureof the automatic mahjong machine has great energy-saving property, high positioning precision, good reliability and low cost.