A draft beer machine, comprising: a cabinet; a refrigeration circuit inside the cabinet, the refrigeration circuit including a compressor,a condenser,and a refrigeration tube; at least one beer pipe, each beer pipe being arranged inside the cabinet; a beer tap fixed to an outside of the cabinet; an outer end of each beer pipe connected to the beer tap;and wherein the refrigeration tube and the at least one beer pipe are wound into a quick cooler of a round or an elliptic cylindrical shape, the refrigeration tube and the at least one beer pipe being wound in a helical manner; characterised in that the quick cooler comprises at least two mixing layers in a radial direction of the quick cooler, each of the at least two mixing layers being formed by winding the refrigeration tube and the at least one beer pipe into a round or elliptic coil, and formed in an abreast and helical manner; wherein in each of the at least two mixing layers, the refrigeration tube and the at least one beer pipe are arranged in an axial direction of the quick cooler, and outer walls of the refrigeration tube and outer walls of the at least one beer pipe abut onto each other; wherein the at least two mixing layers include two adjacent mixing layers and wherein the two adjacent mixing layers abut onto each other in the radial direction of the quick cooler; wherein a beer pipe layer is sleeved over an outside of an outermost mixing layer; wherein the beer pipe layer is formed by winding the at least one beer pipe into a round or elliptic coil, the beer pipe layer being formed in a helical manner; and wherein the beer pipe layer and the outermost mixing layer adhere to each other, either directly or with a thermal conductive medium filled in between the beer pipe layer and the outermost mixing layer. a cabinet; a refrigeration circuit inside the cabinet, the refrigeration circuit including a compressor,a condenser,and a refrigeration tube; at least one beer pipe, each beer pipe being arranged inside the cabinet; a beer tap fixed to an outside of the cabinet; an outer end of each beer pipe connected to the beer tap;and wherein the refrigeration tube and the at least one beer pipe are wound into a quick cooler of a round or an elliptic cylindrical shape, the refrigeration tube and the at least one beer pipe being wound in a helical manner; characterised in that the quick cooler comprises at least two mixing layers in a radial direction of the quick cooler, each of the at least two mixing layers being formed by winding the refrigeration tube and the at least one beer pipe into a round or elliptic coil, and formed in an abreast and helical manner; wherein in each of the at least two mixing layers, the refrigeration tube and the at least one beer pipe are arranged in an axial direction of the quick cooler, and outer walls of the refrigeration tube and outer walls of the at least one beer pipe abut onto each other; wherein the at least two mixing layers include two adjacent mixing layers and wherein the two adjacent mixing layers abut onto each other in the radial direction of the quick cooler; wherein a beer pipe layer is sleeved over an outside of an outermost mixing layer; wherein the beer pipe layer is formed by winding the at least one beer pipe into a round or elliptic coil, the beer pipe layer being formed in a helical manner; and wherein the beer pipe layer and the outermost mixing layer adhere to each other, either directly or with a thermal conductive medium filled in between the beer pipe layer and the outermost mixing layer.