A view definition enhancement system for gastrointestinal endoscope diagnosis and treatment, comprising a washing bottle and a liquid delivery pipe led out from the washing bottle, wherein the liquid delivery pipe pumps washing liquid to a liquid inlet system of a gastrointestinal endoscope or an observation window of the gastrointestinal endoscope via a first peristaltic pump, - wherein the washing bottle is provided with a stirring and heating subsystem capable of stirring and heating the washing liquid; characterized in that the stirring and heating subsystem is a heating cup heating means plus a magnetic stirring means, comprising: a heating cup, a PTC heater, a locating block, two permanent magnets, a supporting frame, an electric motor and a magnetic inducting block; - wherein the heating cup is located below the washing bottle and the PTC heaters are fixed at the bottom of the heating cup and surrounding the heating cup; - wherein a heat preservation layer is wrapped around the PTC heater and the heating cup is fixed on the locating block; - wherein in the center of the locating block an accommodating hole is provided, in which the two permanent magnets are arranged symmetrically; - wherein both of the two permanent magnets are embedded in the upper part of the supporting frame and the lower part of the supporting frame is connected to the output shaft of the electric motor; - wherein a magnetic inducting block cooperating with the two permanent magnets is provided over the two permanent magnets and is installed in the center of the bottom of the washing bottle - wherein a temperature sensor is provided within the washing bottle and is fixed to the bottom of the washing bottle; - wherein the washing bottle, the heating cup, the PTC heater, the heat preservation layer, the locating block, the permanent magnet, the supporting frame and the electric motor are located within the same housing and the liquid delivery pipe extends from the housing; - wherein the heating cup, the PTC heater, the heat preservation layer, the locating block, the two permanent magnets, the supporting frame and the electric motor are connected to the housing by the supporting shaft and the washing bottle is installed within the heating cup. - wherein the washing bottle is provided with a stirring and heating subsystem capable of stirring and heating the washing liquid; characterized in that the stirring and heating subsystem is a heating cup heating means plus a magnetic stirring means, comprising: a heating cup, a PTC heater, a locating block, two permanent magnets, a supporting frame, an electric motor and a magnetic inducting block; - wherein the heating cup is located below the washing bottle and the PTC heaters are fixed at the bottom of the heating cup and surrounding the heating cup; - wherein a heat preservation layer is wrapped around the PTC heater and the heating cup is fixed on the locating block; - wherein in the center of the locating block an accommodating hole is provided, in which the two permanent magnets are arranged symmetrically; - wherein both of the two permanent magnets are embedded in the upper part of the supporting frame and the lower part of the supporting frame is connected to the output shaft of the electric motor; - wherein a magnetic inducting block cooperating with the two permanent magnets is provided over the two permanent magnets and is installed in the center of the bottom of the washing bottle - wherein a temperature sensor is provided within the washing bottle and is fixed to the bottom of the washing bottle; - wherein the washing bottle, the heating cup, the PTC heater, the heat preservation layer, the locating block, the permanent magnet, the supporting frame and the electric motor are located within the same housing and the liquid delivery pipe extends from the housing; - wherein the heating cup, the PTC heater, the heat preservation layer, the locating block, the two permanent magnets, the supporting frame and the electric motor are connected to the housing by the supporting shaft and the washing bottle is installed within the heating cup.