The invention belongs to the technical field of kitchen ware and discloses an electric steaming oven with a water tank arranged on a door body. The electric steaming oven comprises a machine body forcontaining a food, the door body capable of opening or closing an opening and arranged at the opening, a heating device arranged in the machine body and used for heating water to produce water steam,a water pump, and a controller arranged on the machine body and used for controlling start and stop of the water pump and the heating device, wherein the machine body is provided with an opening, thedoor body is provided with the water tank, one end of the water pump is communicated with the water tank, and the other end of the water pump is communicated with the heating device to deliver the water in the water tank to the heating device. The electric steaming oven has the advantages that the water tank is arranged on the door body, so that the food containing space of the electric steaming oven is large, the overall structure is compact, and a user is prevented from being scalded by the door body.