Every time you open the refrigerator, there is always an unpleasant smell. Mixing the flavors of fruits and vegetables with leftovers, let people cover their noses. The bad smell in the refrigerator is not only skewers, but also the odors that bacteria decay and metabolize after being left in the refrigerator for a long time. Although the refrigerator can keep fresh, it does not have a "sterilization" function. The smell of leftovers makes people cover their noses again and again. The serious odor in the refrigerator is not only string smell, but also the odor caused by bacteria decaying and accelerating in the refrigerator for a long time. Although the refrigerator can keep fresh, it does not have a "sterilization" function.