The invention discloses an amphibious tank toy. The amphibious tank toy comprises a shell, wherein the shell is internally provided with a battery box, an infrared emitter and a protection box, the inner portion of the protection box is provided with motors, the number of the motors is two, output shafts of the motors are provided with first bevel gears, rotating shaft penetrate through the innerwalls of the two sides of the protection box respectively, one ends of the rotating shafts are fixedly provided with second bevel gears, the other ends of the rotating shafts penetrate through the shell and are provided with second belt wheels, the other ends, at the same sides with the rotating shafts, of the shell are fixedly provided with fixed shafts, the fixed shafts are rotationally providedwith first belt wheels, crawler belts are connected between the first belt wheels and the second belt wheels, the two sides of the shell are fixedly provided with mounting seats respectively, the tops and bottoms of the mounting seats are provided with supporting wheels respectively, the supporting wheels are supported at the inner sides of the crawler belts, and the top of the shell is hermetically provided with a cover cap. The tank toy has very comprehensive functions and good manipulation experience and improves the fun of use.