Gastrointestinal colds, also known as gastrointestinal colds, usually last for 5 to 7 days and can be self-cured, but may be delayed if accompanied by complications. Gastrointestinal colds are mainly caused by viral infections and can present with nausea, vomiting, diarrhea, fever, headache, nasal congestion and other symptoms. Treatment requires attention to rest, drink plenty of water, with severe diarrhea can be used montelukast to stop diarrhea, with dehydration symptoms require rehydration therapy. The disease has a self-limiting tendency and can be cured on its own. In most cases, the prognosis is good, and the general course of the disease lasts for 5~7 days, while the recovery will be delayed if complications such as viral myocarditis are involved. Patients diagnosed with gastrointestinal flu should actively cooperate with their doctors.