Whether the cold fungus can be eaten overnight depends on the preservation method and temperature. If the preservation method is incorrect, it is generally not edible.

1, edible: the cold-mixed fungus needs to be put into a fresh-keeping box after being evenly stirred, and then covered with fresh-keeping film and put into the refrigerator for refrigeration. Refrigeration in the refrigerator can prolong the storage time of food, and it is generally edible after overnight, and will not cause deterioration and mildew, nor will it affect health.

2. Do not eat: 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 cause the cold fungus to deteriorate, and there will be a lot of bacteria and molds in it, 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.