The utility model discloses a heating cup, including the cup, still include manual heating mechanism, manual heating mechanism is including locating the inside compression cylinder of cup, the air compression means who matches with the compression cylinder inner wall are when air compression means moves along the compression cylinder inner wall and to the cup below, to gaseous compress in the compression cylinder. The utility model discloses a heating cup's simple structure can come to do work to the air through the air in the manual promotion compressing mechanism compression compression cylinder under the prerequisite that does not rely on external electric energy, petrol, alcohol, light energy equal energy source to form high temperature compression gas, can give the cup inside object this heat transfer, easy operation, the small and convenient to carry of heating cup cup, long service life.