The invention relates to the technical field of pressure containers, in particular to a safety interlocking device for a quick opening door of a pressure container. The safety interlocking device for the quick opening door of the pressure container comprises a tank, a tank cover, an electric appliance control box, an electric contact pressure gauge, an audible and visual alarm, an indicating lamp, a control knob, a pressure releasing valve, a safety handle and rapid opening door limiting devices. The tank cover is arranged above the tank. The pressure releasing valve is arranged at the edge position of the tank cover. The pressure releasing valve is provided with the safety handle. The rapid opening door limiting devices are arranged on the two sides of the safety handle. The indicating lamp is arranged on the electrical control box and is connected with the pressure releasing valve through the electrical control box. The electrical control box is connected with the electric contact pressure gauge. The control knob is arranged on the electric appliance control box. The safety interlocking device for the quick opening door of the pressure container is reasonable in design, easy to install and operate, low in cost, high in reliability and high in independency.