The invention provides a protective energy-saving cover for a high-pressure cooking pot. The protective energy-saving cover comprises a housing 2 arranged on a pot cover 1 in a sleeving mode. The housing 2 is composed of a shell 3 and an inner sleeve 4 and is provided with a closed cavity 20. The housing 2 is provided with a valve position hole 21, a handle receding groove 22 and other receding hole grooves. A flow guiding groove 41 is formed in the inner side of the housing 2. The shell 3 is made of plastics, and the inner sleeve 4 is made of sheet metal. A heat-insulation interlayer 6 is arranged in the cavity 20. A housing cap 7 matched with the valve position hole 21 is arranged on the shell 3. The protective energy-saving cover has the safety protection function and energy-saving and heat-preserving effects, safe use of the high-pressure pot is not affected, use is convenient, and the protective energy-saving cover is favorable for energy conservation and emission reduction and thus has application and popularization value.