Driving device of amphibious ship

The utility model relates to the field of amphibious ships, and discloses a driving device of an amphibious ship, which comprises a ship body and a propeller arranged at the stern of the ship body, the bottom end of the ship body is symmetrically and rotatably connected with two rotating rods, the two ends of each rotating rod are connected with land wheels, and the land wheels are connected with the propeller. Two driven gears located outside the ship body are symmetrically and fixedly connected to one rotating rod in a sleeving mode, a driving assembly used for driving the driven gears to rotate is arranged on the ship body, and a sliding groove in the vertical direction is formed in the stern of the ship body; the stern of the ship body is in clamped sliding connection with a rotating assembly used for driving the propellers to rotate through the sliding grooves, and the ship body is provided with a moving assembly used for enabling the rotating assembly to move up and down along the sliding grooves. Throu