Liquid heater

The utility model belongs to the technical field of household appliances, and particularly relates to a liquid heater which comprises a kettle body, a heating element and a handle, the kettle body comprises a kettle body and a kettle bottom, the kettle bottom comprises an arc-shaped wall extending upwards and outwards and a vertical wall vertically extending upwards from the top end of the arc-shaped wall, and the heating element is fixed on the outer side of the arc-shaped wall. The top end of the vertical wall is welded to the kettle body, the wall thickness of the vertical wall is larger than that of the kettle body so that a step can be formed at the welding position, and the upper portion and the lower portion of the handle are fixed to the kettle body and the vertical wall respectively. On the basis of improving the water boiling noise, the processing cost is reduced, the yield is improved, the alignment precision requirement between the kettle body and the kettle bottom can be reduced through the steps