The invention discloses a device for conveniently cleaning chemical fiber fabrics. The device comprises a box body, a cleaning box, fiber fabrics, a rotating drum, a rotating rod, a sealing ring, a sliding block, a hairbrush, a sliding rod, a threaded rod, a water conduit, a rubber block, a vibration motor, a connecting frame, a sponge block, a first motor, a cloth collecting wheel, an air exhausting hood, a water receiving funnel, an installation plate, an air guiding duct, a hot air blower, a second motor, a chain wheel, a chain and a shaft rod. In the device for conveniently cleaning chemical fiber fabrics, the hairbrush, the threaded rod, the rotating drum, a toothed wheel and a chain are arranged and cooperate with each other; the fiber fabrics can be well cleaned and can be preventedfrom being tangled with each other during cleaning processes; work efficiency can be greatly improved; vibration motors, the air exhausting hood, the sponge block and the air guiding duct are arranged and cooperate with each other, the fiber fabrics can be well dried after being cleaned, fiber fabric drying speed can be greatly increased, and drying efficiency and practicality can be improved.