Food cold sterilization is a new and developing technology,which kills microorganism without heating and does not affect the nutrient,texture,color and flavor of food.This technology includes ultra-high pressure processing(UHP),irradiation,high-voltage pulsed electronic field,pulse light,magnetic sterilization,ultraviolet and titanium dioxide light-catalyzed sterilization.The principles and research progresses of cold sterilization in food industries are discussed in detail.