Cooking control method and device of pressure cooker and pressure cooker

The invention discloses a pressure cooker cooking control method and device and a pressure cooker. The method comprises the following steps: in a pressure relief stage, continuously heating; and/or after the pressure relief stage is finished, the pressure cooker enters a heat compensation stage, and in the heat compensation stage, the pressure cooker is always kept in an exhaust state. Heating is conducted continuously in the pressure relief stage, moisture in rice can be steamed as much as possible, the cooked rice is prevented from being too wet and soft, the taste of the rice is improved, the cooking effect is improved, after the pressure relief stage is finished, the heat compensation stage is added, heating is conducted continuously in the heat compensation stage, redundant moisture in the rice can be evaporated, the wet and soft degree of the rice is reduced, and the cooking effect is improved. The pressure cooker is kept in an exhaust state all the time in the heat supplementing stage, the pressure in