The hot green bean soup can not be directly put in the refrigerator, in fact, not only green bean soup, all the food in the hot can not be directly placed in the refrigerator, need to be cooled before you can put in. After the food meets the cold inside, the water vapor contained will evaporate sharply, and finally solidified in the internal upper layer to form a thick layer of frost, which in turn affects the refrigerator cooling effect.