Vehicle-mounted vacuum cold and hot kettle

The invention discloses a vehicle-mounted vacuum cold and hot kettle, which comprises a kettle cover (1), a kettle body and a base (11), wherein the kettle body is a vacuum kettle body (3); the upper part of the vacuum kettle body (3) is connected with the upper cover (1); the lower part of the vacuum kettle body (3) is fixed with the base (11); a semiconductor cold and heat device is arranged in the base (11); the inner wall of the vacuum kettle body (3) is provided with a sealed step (16); the semiconductor cold and heat device comprises a cold and heat conducting plate (6), a semiconductor cold and heat ceramic sheet (7), a heat insulation lower cover (8), a heat radiator (9) and a fan (10); the cold and heat conducting sheet (6) is tightly pressed on the sealing step (16) through the heat insulation lower cover (8); the cold and heat conducting sheet (6) and the sealing step (16) are connected in a sealed way; the semiconductor cold and heat ceramic sheet (7) is tightly attached onto the cold and heat con