Fly eggs are usually fine when eaten, but if too many are accidentally eaten, it may also lead to acute gastroenteritis. Fly eggs themselves belong to a high-protein material, into the stomach, under the action of gastric acid will soon be digested, decomposition, if accidentally eaten, usually does not cause damage to the human body, and will not have obvious discomfort. However, fly eggs may carry bacteria, fungi, viruses and other pathogenic microorganisms. If a larger number of fly eggs are eaten accidentally, it may lead to acute gastroenteritis due to pathogen infection, and the patient’s main manifestations are abdominal pain, diarrhea, nausea and vomiting, and fever, etc. This should be noted and treated in a timely manner. If the patient accidentally ingested fly eggs after the appearance of obvious abdominal discomfort, it is recommended to seek medical attention in a timely manner, and actively receive treatment to avoid delaying the condition.