Try not to eat soaked fungus overnight. Mushrooms are usually kept dry because they do not contain water and microorganisms cannot multiply. When fungus is soaked for a long period of time, it may produce rice-fermented bacterial acids. Mielenic acid can cause serious food poisoning. For food safety reasons, try not to eat fungus that has been soaked overnight. If you leave the fungus at room temperature or high temperature while soaking it, various microorganisms, including some harmful substances, will multiply, which may lead to deterioration of the fungus and may cause abdominal pain and diarrhea after eating. Therefore, the fungus try to eat the same day, do not soak too much at once. Moderate consumption of fungus has the role of replenishing the body’s energy and nutrients, but the daily diet should pay attention to food overdose, do not eat moldy, spoiled, smelly fungus.