Epidemic hemorrhagic fever, gastroenteritis, acute poisoning and other diseases may occur after eating things bitten by rats. 1. Epidemic hemorrhagic fever: rats can carry hantavirus as well as some bacteria, and a few people who have eaten things bitten by rats may lead to infections, fever, low blood pressure, shock and other symptoms. You need to go to the hospital for examination in time, after clarifying the cause, and then deal with it accordingly under the doctor’s guidance. 2. Gastroenteritis: If you eat something bitten by a rat, it may lead to gastroenteritis, and the patient may have abdominal pain, vomiting, diarrhea and other symptoms. It is necessary to consult a doctor in time, under the guidance of the doctor symptomatic, cause-specific use of medication. 3. Acute poisoning: rats may carry poisonous and harmful substances, nausea, vomiting, abdominal pain, diarrhea and other symptoms may occur, need appropriate rehydration and anti-infection treatment.