The invention discloses a multifunctional chemical experiment reaction kettle, which comprises a bottom plate, a mounting plate, a lifting mechanism, a reaction kettle body, a kettle cover, a motor, a safety pressure relief valve, a stirring shaft, a cylinder body, a discharge hole, a movable disc, Sliding sleeve and second spring, the present invention is provided with T-shaped supporting leg, base and first spring, through the cooperation of the above parts, the device is buffered, avoiding damage to equipment or parts due to vibration, affecting the service life of equipment, design There is a lifting mechanism. The lifting mechanism includes a stepping motor, the first gear, the second gear, a connecting rod and a slider. The height of the reactor body is adjusted through the cooperation of the above components, so that the staff can add chemical raw materials or cooperate with other equipment. There is a motor , cylinder, stirring shaft, movable disc and sliding sleeve, through the cooperation of the above components, the chemical raw materials in the reactor body are continuously circulated and fully stirred, which is conducive to improving the mixing efficiency of chemical reaction raw materials and making the chemical raw materials react more fully.