The one unit main machine includes the washer, dryer, filler and capper for the production of 3-5 gallon barreled drinking water. The washing process include alkal liquid inside and outside washing by dirty remover! Inside and outside washing by disinfecting water can be used cyclically. The whole washing, filling and sealing process is controlled by PC, and has the safe device for interlock, signal and self-detection. The whole unit is made of the stainless steel, meets the demands of good hygiene, with the feature of reasonable structure, easy in operation, exact action, it's the ideal equipment for the barreled water.