The symptoms include nausea, vomiting, diarrhea, abdominal pain, and fever. The symptoms of gastroenteritis are fatigue, nausea, uncomfortable, and discomfort, but after vomiting, you will feel very relaxed. Acute gastroenteritis can be caused by bacterial or viral infections. Bacteria and viruses can produce endogenous pyrogenic substances, which can cause fever. The fever caused by acute gastroenteritis is usually around 38°C, not too high, you can apply some antimicrobial and antiviral drugs to reduce fever. It is important to note that the treatment of acute gastroenteritis requires fluid and electrolyte supplementation to prevent dehydration. In addition, it is best to drink more water and keep the abdomen warm to avoid dehydration during vomiting and diarrhea. If you have a fever or take medication that does not work well, you can choose infusion therapy, most of which will get better soon. Therefore, you must pay attention to dietary hygiene, eat less cold food and some expired food and seafood products, have a regular life, and develop the habit of washing hands before and after meals to avoid causing gastroenteritis.