There is no clear data to show how long the silver ear soup can not be eaten, but the appearance and flavor changes in the silver ear soup is not recommended. Each 100 grams of silver fungus (dry) contains 14.6g of water, 10g of protein, 1.4g of fat, 67.3g of carbohydrates, 50mg of carotene, etc., so the crowd can eat silver fungus soup in moderation to supplement the nutrients needed by the body, but also to provide energy. When the silver ear soup is stored at room temperature, it can usually be left for about 4 hours, more than 4 hours is not recommended to eat. If the silver fungus soup is kept in the refrigerator, it is not recommended to consume it after more than 3 days, so as not to cause diarrhea, abdominal pain and other discomforts after consumption by the crowd, thus affecting the health of the organism. The crowd should eat a moderate amount of silver fungus soup, to avoid excessive consumption and aggravate the burden on the gastrointestinal tract. It is recommended that people consume fresh fungus soup and pay attention to the proper preservation of fungus. If the consumption of a long period of time after the silver fungus soup accompanied by symptoms of discomfort, should promptly seek medical attention.