The fever of gastrointestinal cold can be reduced in about 1~3 days after active treatment, and the course of the disease usually does not exceed one week. Gastrointestinal flu is caused by viral gastrointestinal dysfunction, often fever, decreased appetite, nausea, vomiting, diarrhea and other symptoms, such colds are generally no specific treatment to symptomatic treatment. Gastrointestinal colds are self-limiting because of viral infections. After active symptomatic treatment under the guidance of a doctor, generally 1~3 days later, the body temperature can return to normal, not more than a week, the symptoms can be relieved. It can be seen that it is usually necessary to enhance immunity to avoid viral infections occurring gastrointestinal flu. At the same time, it is recommended to pay attention to rest, drink more water, eat a balanced diet, do not eat spicy, stimulating food.