The utility model relates to a corrosion simulation experiment device, which is characterized in that the device comprises a base with a support rotatably mounted thereon, the top of the support is provided with a motor, the bottom of the support is provided with a plurality of reaction kettles inside, the projecting shaft of the motor is fixedly connected with a multi-concave channel belt wheel, the projecting end of a sample rotating shaft arranged in each reaction kettle is fixedly connected with a multi-concave channel belt wheel, each concave channel of the multi-concave channel belt wheel of the motor is connected with a belt corresponding to the multi-concave channel belt wheel of a sample rotating shaft, and the reaction kettle has a heater, a pressure gauge, a thermoscope, air inlet and outlet valves, and liquid inlet and outlet valves. According to the utility model, not only the corrosion of medium in laminar state in pipelines can be simulated, but also the corrosion of medium in turbulence state can be simulated. The corrosion simulation experiment device is suitable for simulating the corrosion of petrol, natural gas gathering and transmission pipelines.