A kickback structure for a toy gun, the toy gun has a body portion and a barrel connected to the barrel, the handle portion is provided with the handle and the trigger assembly, and has a chamber inside. A piston is pushed forward by a first spring, and the a front and the back of the body portion are respectively provided with an aiming base and a fixed base, and the aiming base is provided with a through hole at the center, and the through hole is provided with a sliding sleeve, and the sliding sleeve is internally coupled between the sliding sleeve and the fixed base. A pushing rod is normally stretched by the second spring.