The utility model belongs to the liquid field of filtering especially relates to a quick suction filtration device of automatic control, enter the mouth, strain back water export, water knockout drum, pressure disk, automatic control suction filtration hydrophone, suction filtration water pipe A, suction filtration water pipe B, (mixing) shaft, paddle bearing, stirring paddle leaf A, stirring paddle leaf B, paddle hinge A, paddle hinge B, paddle hinge C, paddle hinge D, fibre filter bulb including filter, gas vent, support A, support B, manhole, lift axle, motor, speed reducer, lift, mechanical seal, mixer, filtrating, gas vent, mechanical seal are in the higher authority of filter, the gas vent is in mechanical seal's next door, support A, support B, mixer, strain back water export below the filter, water knockout drum, pressure disk, automatic control suction filtration hydrophone, suction filtration water pipe A, suction filtration water pipe B, (mixing) shaft, paddle bearing, stirring paddle leaf A, stirring paddle leaf B are in the inside of filter.