The baby’s gastroenteritis is usually caused by improper eating or viral or bacterial infection, with nausea, vomiting, diarrhea with fever as the main symptoms of the disease, treatment is as follows: a. control diet, gastroenteritis during the light, easy to digest diet, to drink porridge, eat rice flour, to eat a small amount of diet, do not eat too much. Third, give oral medication to adjust the gastrointestinal flora, such as lactobacillus granules or mommy’s love and other drugs for treatment. If your baby has heavy diarrhea symptoms, you can give oral medications such as spleen-awakening and child-raising granules and montelukast to stop diarrhea. Five, there are fever symptoms, in the high fever state can be given oral antipyretic drugs, such as acetaminophen or ibuprofen to treat, low fever state is usually given to the application of antipyretic paste or wipe with warm water and other ways to physically cool down.