Liquid heater

The utility model discloses a liquid heater which solves the problems that a foot pad on the liquid heater is single in function and easy to fall off, and adopts the technical scheme that the liquid heater mainly comprises a cup body and a cup cover covering the cup body, a bottom cover is arranged at the bottom of the cup body, a power jack and the foot pad are arranged on the bottom cover, and the foot pad is mounted on the outer bottom surface of the bottom cover; the power supply jack is arranged on the outer side face of the bottom cover, a jack cover used for sealing the power supply jack is arranged on the foot pad, and the jack cover is embedded into the power supply jack and is detachably connected with the power supply jack. The jack cover for sealing the power supply jack is arranged on the foot pad, so that the attractiveness and the safety are good, meanwhile, the bottom cover is connected with the jack cover through the foot pad, the jack cover is prevented from being lost after being taken down