Characteristics of mushroom poisoning: Patients are involved in eating mushrooms or mushroom products before; There was no statistically significant differences in age; gender; Mushroom poisoning usually occurs in the summer and after rains from 2 to 3 days; The incubation period is usually 1 to 5 hours after eating mushroom; The main clinical symptoms are stomachache, vomiting, headache, diarrhea, some individuals do not have diarrhea symptom.