The invention discloses a high-pressure power energy-saving device. The high-pressure power energy-saving device comprises a base, wherein the top outer wall of the base is welded with a water tank; a water outlet and a gas inlet are formed in one side of the water tank; the inner wall of the water outlet is spliced with a water outlet tube; the inner wall of the water outlet tube is sequentially spliced with a valve and a flow meter; the valve is positioned between the flow meter and the water tank; one end of the water outlet tube is in sleeve connection with a hose; one end, away from the water outlet tube, of the hose is in sleeve connection with a high-pressure spray head; the top of the high-pressure spray head is fixedly equipped with a regulating switch through a screw; the outer wall at one side of the water tank is welded with a tube winding post and a mounting plate; the tube winding post is positioned between the mounting plate and the water outlet tube; and the top end of the mounting plate is fixedly equipped with a gas pump through a screw. According to the high-pressure power energy-saving device disclosed by the invention, the gas pump is designed, so that hot air can be sucked, and working time of the gas pump can be reduced; and moreover, a solar panel is further mounted on a car roof, so that solar energy can be effectively utilized, and therefore, the effects of generating power while fighting a fire are achieved, and the high-pressure power energy-saving device is energy-saving and environmentally friendly.