The invention provides a cooker cover structure of a rice cooker. The cooker cover comprises a steel cover buckled with a cooker body, and an external periphery area encircling the upper surface of the steel cover is provided with a nonmetal insulation layer. The upper surface of the steel cover is arranged in a step shape, wherein a central area of the steel cover is higher than the external periphery area of the steel cover; a projection of the central area of the steel cover is embedded into a central hole cavity of the nonmetal heat insulation layer, and the upper surface of the whole cooker cover is smooth. An operating handle is arranged on the upper surface of the cooker cover; the side edge bottom of the operating handle is provided with a heat-insulation wing plate. In this way, a condition that an operator can be scalded when the operator operates the drive handle because the fingers or other parts of the operator directly contact with the upper surface of the steel cover can be prevented. Because the invention has the technical characteristics and advantages, the invention can be applied to an electric pressure cooker, a micro-pressure electric rice cooker or an ordinary atmospheric electric rice cooker.