An apparatus for heating a baby formula pot 10 includes a case 11, and a heating plate 12 disposed in the case 11 on which a baby formula pot 30 is mounted. When the baby formula pot 30 is mounted on the heating plate 12 and is heated by the heating plate 12, the water contained in the baby formula pot 30 is boiled to become hot water. An water amount is calculated by a control mechanism 35 based on a temperature rising ratio of the water. An optimum cooling period is calculated by the control mechanism 35 based on the calculated water amount. A cooling fan 13 is rotated by the control mechanism 35 in compliance with the optimum cooling period, so that the baby formula pot 30 is cooled by air taken-in through air intake ports 18.