Instantaneous refrigeration beer machine

The invention discloses an instantaneous refrigeration beer machine which comprises a water tank. A spiral coil heat exchanger is arranged in the water tank in the height direction; an opening in theupper end of the spiral coil heat exchanger is connected with a beer injecting container on the upper portion of the spiral coil heat exchanger; an outlet in the bottom end of the spiral coil heat exchanger extends out of the water tank, and a faucet is arranged to control opening and closing of the outlet; and a cooling liquid inlet and a cooling liquid outlet are formed in the bottom in the water tank, wherein the cooling liquid inlet is connected with an output end opening of a liquid refrigeration device, and the cooling liquid outlet is connected with an input end opening of the liquid refrigeration device. The instantaneous refrigeration beer machine has the characteristics that instantaneous and convenient effects are achieved, the cooling temperature of beer can be controlled, cooling of beer bottles is om