Whether the overnight silver fungus soup can be consumed after heating should be judged whether it has deteriorated or not. If the silver fungus soup is placed in an airtight plastic container and then put into the refrigerator at low temperature in time to inhibit the growth of microorganisms and stored for no more than 2 days, it can usually be consumed normally after heating, but the nutrients in silver fungus, such as protein, vitamins and mineral elements such as phosphorus, potassium, calcium and iron, may be reduced. If some people are allergic to silver ear soup, it is not recommended to consume it regardless of whether it has deteriorated or not. If the soup is left at room temperature, it will provide a suitable environment for bacterial growth. Room temperature is the ideal temperature for bacterial growth, which will easily lead to food spoilage and deterioration, so it is not recommended to continue eating it, otherwise it will easily lead to abdominal pain, diarrhea and other uncomfortable symptoms. In addition, the refrigerator can only reduce the speed of bacterial reproduction, but if the silver fungus soup is stored in the refrigerator for too long, it will still deteriorate and needs to be consumed within 2 days. It is recommended to consume the soup promptly after cooking and avoid overnight consumption as much as possible. If you can’t consume it in time, you should put the soup in a clean, sealed plastic container immediately after cooking and put it in the refrigerator after the temperature is not hot to minimize the bacterial growth.