Whether the cold fungus can be eaten overnight depends on the preservation method and temperature. If the preservation method is incorrect, it is generally inedible.

1, edible: the cold-mixed auricularia auricula needs to be stirred evenly and then put into a fresh-keeping box, then cover it with plastic wrap and put it in the refrigerator for refrigeration. Refrigeration can prolong the storage time of food, and it can be eaten overnight, which will not cause deterioration and mildew, nor will it affect health.

2. Don't eat it: If the cold fungus is stored in an incorrect way, such as directly at room temperature, especially in hot weather, at room temperature, it may lead to deterioration of the cold fungus, which will contain a lot of bacteria and molds, which will affect human health after eating, and may also cause food poisoning or acute gastroenteritis, usually manifested as nausea, vomiting and abdominal pain, and also lead to dizziness and headache.