The invention relates to the technical field of boilers, and provides an electric heating boiler. The electric heating boiler comprises a boiler body; a cylindrical water heating cavity is formed in the boiler body; a heating sleeve sleeves the periphery of the water heating cavity; a spiral electric heating wire is arranged in the heating sleeve; an insulation layer is arranged between the innerwall of the boiler body and the heating sleeve; a stirring device is arranged at the middle part of the water heating cavity; the stirring device comprises a stirring motor, a stirring shaft and stirring blades; the stirring motor is arranged outside the boiler body; one end of the stirring shaft is connected with the stirring motor, and the other end of the stirring shaft extends into the water heating cavity; the stirring shaft is connected with multiple stirring blades in sequence from top to bottom; the stirring blades are arranged on two sides of the stirring shaft in a staggered manner;a hot water outlet is formed in the upper part of the water heating cavity; and a cold water inlet is formed in the bottom of the water heating cavity. The electric heating boiler has the beneficial effects of higher heat transfer speed and higher electric heating efficiency.