The invention discloses a hull bottom oil spilling recovery device. An installation slot is arranged in the interior of the hull bottom, a control box is installed in the installation slot, a water tank is installed on one side of the control box, an oil suction machine is installed on one side of the water tank, the water tank is connected with a conveying pipe and a pipe orifice of the conveyingpipe is installed on a pipe orifice installation slot, and one side of the pipe orifice installation slot is provided with a pipe orifice motor. A first universal converter is arranged on one side ofthe pipe orifice installation slot, and the other end of the pipe orifice installation slot is provided with a second universal converter. The first universal converter is connected to one end of a first telescopic rod, and the other end of the first telescopic rod is provided with a first electromagnetic chuck; the second universal converter is connected to one end of a second telescopic rod, and the other end of the telescopic rod is provided with a second electromagnetic chuck. One sides of the first telescopic rod and the second telescopic rod are both provided with oil absorption felts,and oil spill dispersant spray-heads are arranged on the oil absorption felts. According to the hull bottom oil spilling recovery device, oil spill recovery is efficient, and a small amount of residual oil in the water can be processed.