Bagged water automatic filling machine is the key equipment of LTGJ-7.5- II bagged water production line indispensable, frame, the packaging film feeding into the membrane system, traction mechanism and sealing cutting device, filling equipment, using stainless steel material refined, comply with food production requirements. Each process is prepared by the PLC control center through the touch screen according to the design requirements. The machine has a measuring and adjusting device for film length. The machine has high filling accuracy, unique sealing, sanitation and firmness, and adopts man-machine interface of computer program, so the operation is convenient and reliable. The utility model has the advantages of exquisite design, reasonable structure, excellent manufacture, reliable quality and elegant appearance, and is an ideal device for the production of bagged water.