The invention discloses a multifunctional mop rack, including a water collecting tank and a support frame. An upper end of a water collecting tank is connected with the support frame. At that middle of the inn bottom surface of the catchment tank, a catchment tank is arranged, A filter plate is arranged in the water collecting tank, An upper end of that side wall of the water collecting tank is provide with a fixing groove, the filter plate is matched with the fixing groove, The bottom of the catchment tank is provided with a drain pipe, the drain pipe is communicated with the water collectingtank, The interior of the catchment tank is provided with drainage boards on both sides, The drainage plate is connected with the side wall of the water collecting tank, the upper end of the drainageplate is provided with a water removing device, the water removing device is connected with the water collecting tank, the upper end of the side tank plate of the water collecting tank is provided with a mounting plate, the mounting plate is provided with a faucet, the faucet is positioned above the filter plate, and the two ends of the water collecting tank are provided with a moving device. Thewhole device integrates the functions of rinsing, dewatering, hanging and the like, and adds the functions of the mop frame, so that the water flow on the mop can be easily pushed out through the dewatering device instead of the manual water twisting, so as to be more hygienic and protect the hands.