The methods of fixing a floating dock usually depend on the environment of the floating dock, for example the water situation, wave strength, and the bank distance. Today we introduce an anchoring device for a floating dock.  This anchoring device is equipped with a winch disc. The winch disc is fixedly connected to one end of the cable, and the other end of the cable is fixedly connected to the anchor block. The winch disc is connected to the driving mechanism, which drives the winch disc to rotate and retract the cable. The driving mechanism is also connected to the braking mechanism, which implements braking on the driving mechanism. The winch disc set on the floating dock is connected to the anchor block by the cable, and the driving mechanism drives the winch disc to rotate until the cable is in a tightened state. The floating dock is fixed on the water surface, and the braking mechanism implements braking on the driving mechanism. The braking of the mechanism is used to fix the winch, avoiding further rotation of the winch. This device is simple, cost-effective, and suitable for situations where pile driving is not possible or water levels are deep.