To solve problems on difficulty in using an ozone gas that the use of ozone gas is limited as it is a gas, and the ozone gas decays members in a room when the room is filled with the ozone gas to be sterilized, in spite of its good effect, though sterilization and deodorization by ozone draw attention, it is well known that the effect of sterilizing power and deodorizing power of ozone is harmless, and the ozone is used in a field needing sterilization.

This ozone ice making machine has a water supply device, an ozone water making device to which the water is supplied from the water supply device, a tank to which the water is supplied from the ozone water making device, an ozone ice making device to which the ozone water is supplied from the tank, a pipe conduit circulated from the ozone ice making device to the tank, and a freezing device for cooling the ozone making device, the ozone ice making device is sealed off from the outside air, the tank and the ozone ice making device are connected by the pipe conduit through a pump, and the tank is connected with the ozone ice making device by the pipe conduit through the pump.