The present invention relates to a cooking thermometer which can measure a temperature in contact with foodstuffs directly or around foodstuffs during the cooking process. Particularly, the present invention relates to a cooking thermometer which inhibits the proliferation of bacteria on the surface of the thermometer and is coated with an antibacterial compound such as titanium dioxide. The antibacterial thermometer of the present invention coated with titanium dioxide comprises a temperature measurement part which calculates and indicates the temperature of food during the cooking process; and a titanium dioxide coating layer which is covered onto the surface of said temperature measurement part with the antibacterial activity
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