If it is dry mushrooms, you need to soak for a period of time to soften, and then cooking, if you continue to soak, it may cause the mushrooms to appear some rot with a strange odor, like this case do not take, may cause some fungal poisoning and other adverse reactions in ordinary life, must pay attention to dietary health and hygiene, to avoid the body these undesirable symptoms if the soak Too long, it is recommended not to take, because during this period there will be some bacterial growth, after taking may cause some diarrhea, abdominal pain bad situation, in the diet to pay attention to the health and clean, so as to be able to have a certain amount of nutritional supplements to the body, such as some of the overnight stuff, as far as possible, do not take, to avoid some undesirable substances food poisoning refers to the ingestion of food containing biological, chemical, toxic and hazardous substances or put the toxic and poisonous substances, or to avoid some adverse reactions. Food poisoning refers to the intake of food containing biological, chemical, toxic and harmful substances or toxic and harmful substances as food ingested after the emergence of non-infectious (does not belong to the infectious disease) acute, subacute disease. It is a foodborne illness caused by food infection. Symptoms of food poisoning include nausea, vomiting, diarrhea, and abdominal pain. There is a possibility of spoilage of shiitake mushrooms due to long soaking time and hot weather. Based on your history, consider the possibility of food poisoning. Summer weather is hot, digestive diseases are high, you should pay attention to dietary hygiene, protect your stomach and intestines. Currently can be symptomatic treatment, if the symptoms do not improve, the hospital for further diagnosis and treatment.