The invention discloses a textile dust collecting device for a textile workshop, including a base, the top outer wall of the base is provided with a hydraulic cylinder, and a telescopic rod is inserted into the top inner wall of the hydraulic cylinder, the top outer wall of the telescopic rod is provided with a mounting seat, and the top outer wall of the mounting base is provided with a water tank. One side inner wall of the water tank is connected with a water pump through bolts, and the top outer wall of the water pump is connected with a water guide pipe through bolts, the top outer wall of the water tank is provided with a through hole, the inner wall of the through hole is welded with the outer wall of the water guide pipe, the bottom outer wall of the mounting base is provided witha through groove near the middle position, and the inner wall of the through groove is provided with a collecting bucket. The invention adjusts the height of the device through the hydraulic cylinderand the telescopic rod, and adjusts the height according to different textile machines, thereby improving the flexibility of the collecting device, accelerating the collecting speed, improving the collecting effect of the collecting device, avoiding blocking the suction fan, and improving the anti-blocking effect of the device.