If the seafood consumed is fresh and the amount of fruit eaten after eating seafood is not very large, there will be no obvious toxicity, but there will be some infectious diarrhea and allergies. Need to go to the hospital for differential diagnosis, and then for symptomatic treatment. If the patient shows obvious symptoms of poisoning, gastric lavage must be given first, for example, saline or warm water can be applied to irrigate, the volume of gastric lavage liquid is usually above 8000-10000ml, until the gastric lavage liquid is colorless, clarified and transparent. After gastric lavage is completed, certain gastric mucosal protective agents can be given, such as the application of omeprazole and other drugs to prevent stress ulcers. If the patient has obvious infectious diarrhea, glucose water or saline can also be given to replenish, and severe patients can also be given certain hormone drugs, such as dexamethasone, methylprednisolone and other drugs for anti-allergy treatment.