An air pressure cooker comprising an upper cover and a bottom cover, wherein an uncovering knob and a heat insulation cover are arranged on the upper cover; the uncovering knob is fixedly connected on the right side of the outer surface of the upper cover, and the heat insulation cover is fixedly connected inside the upper cover; a handle locking block is arranged underneath the uncovering knob, and a motor, a switch connecting rod, cold wind fan blades and a heating tube cover are arranged on the heat insulation cover; the motor is fixedly connected in the middle of the upper end of the heat insulation cover, and the switch connecting rod is fixedly connected on the right side of the heat insulation cover; the cold wind fan blades are movably connected inside the heat insulation cover.