The utility model relates to an efficient rapid boiler for direct current hot water, belonging to the improvement of a boiler. The efficient rapid boiler is primarily composed of a boiler body seat and a boiler body which is formed by coiled-bowel-typed circulation passages for hot water. The circulation passages for hot water is composed of a plurality of heated tubes in a plurality of layers which are axially arranged between a front boiler face and a back boiler face and which are connected in series by corner joints on both ends. The utility model which is ideal heating equipment has the advantages of simple structure, unique design, rapid heating up, heat efficient as high as 85%, long service life, saving material by 2/3 than a steel boiler with equivalent power, small size, easy transportation and assembly, convenient maintenance, energy saving, obvious social benefits and easy application.