A baby formula maker including: a main body in which a water tub and a baby formula tub are installed; a heating portion installed in the main body and heating water contained in the water tub; a time controller controlling time at which the water is heated by the heating portion; a cooling portion including a radiator cooling the water heated by the heating portion and one or a plurality of Peltier cooling modules attached to the radiator so as to lower the temperature of the radiator; and a electric current controller controlling temperatures of the one or the plurality of Peltier cooling modules. The time required to make milk for nursing can be remarkably reduced, and if milk for nursing is needed, immediate nursing can be carried out, and speed and convenience can be provided to the user, and the baby formula maker is sanitary and compact and has a simple structure and thus can be economically manufactured on a mass scale.