A high temperature food heating device includes a high temperature heating tank composed of three tanks, which are a main tank, a front reserve tank and a reserve tank, each of the front and rear reserve tanks has a first storage part having an opening at the upper part and a second storage part communicating with the first storage part at the lower part of the first storage part and having an opening at the upper part. In the high temperature food heating device, a communication chamber for communicating between a water surface of each of the second storage parts of the front reserve tank and the rear reserve tank and a water surface of the main tank and storing a liquid or a gas inside is provided, and a high pressure gas or a pressurized liquid is supplied from a high pressure fluid supply section into the communication chamber.