Overnight cooked fungus if there is no sign of deterioration can be eaten, but it is not recommended to eat, if it is overnight soaked fungus generally can not be eaten. Overnight cooked fungus if there is no mold, odor and other deterioration is generally edible, but not recommended, because overnight fungus may breed microorganisms, long-term consumption is prone to health effects. If it is overnight soaked fungus is not edible, soaking time is too long, will make fungus breeding a lot of microorganisms, these microorganisms may form harmful or toxic substances, so overnight soaked fungus is generally not edible. If the fungus is not eaten, it can be stored in the refrigerator, but it should still be eaten in time, and it will also deteriorate after a long time. Compared with fresh ingredients, the safety risk of consuming overnight food is higher, and it is recommended to consume fresh food in your life.