The present invention is related to an instant cooking container for press to regulate temperature, and the object of the invention is to provide an instant cooking container for press to regulate temperature of installing a pressure reducing valve to the side of the heating container; increasing boiling speed of water by controlling the pressure between the heating container and the cooking container by the pressure reducing vale with closely fixing the gap between the cooking container and the heating container by the ring-shaped rocking member; preventing explosion due to high pressure in advance; and opening and closing a lid easily by making the lid fixed by self- weight, not by the rocking member, on the upper portion of the cooking container.