Children with gastrointestinal flu can be treated symptomatically with probiotics, montelukast and other medications, as well as causally with antiviral medications such as oseltamivir or antibiotics. 1. Treatment of the cause. (1) Antiviral drugs: Generally speaking, most of the children’s gastrointestinal colds are caused by viral infections, so you can choose to treat your child with antiviral drugs such as oseltamivir and other antiviral drugs. (2) Antibiotics: If your child’s stomach flu is caused by bacterial infection, you can use antibiotics such as amoxicillin to control the infection. 2. Symptomatic treatment (1)Probiotics:When the baby’s stomach and intestinal cold, often nausea, vomiting, poor appetite and other digestive symptoms, at this time you can give the baby to take bacillus subtilis bacillus and other probiotics, so that the balance of the baby’s intestinal flora to be regulated, to alleviate the baby’s symptoms. (2) Mucosal protectant: when the child’s stomach and intestines cold, may appear diarrhea, vomiting and other symptoms, you can give the baby to use montelukast and other mucosal protectant, so as to protect the gastrointestinal tract. The specific use of the above drugs should be under the guidance of a doctor.