Apparatus for producing a low-sulphur, high-octane gasoline, comprising: an extraction device, a first cutting column, an etherification device, a hydrofinishing desulfurization device, a reforming pretreatment device, a second cutting column, an isomerization device, a reforming device and a stabilizing device; wherein the top of the extraction device is connected with the middle portion of the first cutting column through pipelines; the top of the first cutting column is connected with the etherification device through pipelines; the etherification device is connected with a methanol supplying device; a gasoline product is withdrawn from the etherification device through pipelines; the bottom of the extraction device is connected with the hydrofinishing desulfurization device through pipelines, and the hydrofinishing desulfurization device is connected with the stabilizing device through pipelines; the bottom of the first cutting column is connected with the reforming pretreatment device through pipelines, and the reforming pretreatment device is connected with the middle portion of the second cutting column; the top of the second cutting column is connected with the isomerization device through pipelines, and the isomerization device is connected with the stabilizing device through pipelines; the bottom of the second cutting column is connected with the reforming device through pipelines, the bottom of the reforming device is connected with the stabilizing device through pipelines, and hydrogen containing dry gas and liquefied gas are separately withdrawn from the top of the reforming device; liquefied gas and stable gasoline are separately withdrawn from the stabilizing device, and the obtained stable gasoline is blended with an ethylated gasoline withdrawn from the etherification device, whereby a low-sulphur, high-octane gasoline product is obtained. an extraction device, a first cutting column, an etherification device, a hydrofinishing desulfurization device, a reforming pretreatment device, a second cutting column, an isomerization device, a reforming device and a stabilizing device; wherein the top of the extraction device is connected with the middle portion of the first cutting column through pipelines; the top of the first cutting column is connected with the etherification device through pipelines; the etherification device is connected with a methanol supplying device; a gasoline product is withdrawn from the etherification device through pipelines; the bottom of the extraction device is connected with the hydrofinishing desulfurization device through pipelines, and the hydrofinishing desulfurization device is connected with the stabilizing device through pipelines; the bottom of the first cutting column is connected with the reforming pretreatment device through pipelines, and the reforming pretreatment device is connected with the middle portion of the second cutting column; the top of the second cutting column is connected with the isomerization device through pipelines, and the isomerization device is connected with the stabilizing device through pipelines; the bottom of the second cutting column is connected with the reforming device through pipelines, the bottom of the reforming device is connected with the stabilizing device through pipelines, and hydrogen containing dry gas and liquefied gas are separately withdrawn from the top of the reforming device; liquefied gas and stable gasoline are separately withdrawn from the stabilizing device, and the obtained stable gasoline is blended with an ethylated gasoline withdrawn from the etherification device, whereby a low-sulphur, high-octane gasoline product is obtained.