The child suddenly fever a little vomiting considerations and acute upper respiratory tract infection, acute gastroenteritis and other diseases, need to target the cause of the treatment, including supportive therapy, drug therapy. 1. Acute upper respiratory tract infection: acute upper respiratory tract infection, fever, cough, vomiting and other symptoms, diet to light and easy to digest, drink plenty of water, active symptomatic fever, can be through the physical cooling of warm water wipe, body temperature over 38.5 ℃ can be prescribed the use of acetaminophen, ibuprofen and so on to lower the temperature treatment. Bacterial infection also need to give anti-infection treatment, need to follow the doctor’s advice to use amoxicillin and other drugs. 2. Acute gastroenteritis: If the acute gastroenteritis is caused by improper feeding and unclean diet, it can be manifested as fever, vomiting, diarrhea and other symptoms, first of all, you need to regulate the diet, light diet, and fasting is needed when the vomiting is serious. Physical cooling can be carried out by wiping the armpits, if the temperature exceeds 38.5 ℃, oral ibuprofen, acetaminophen and other antipyretic drugs as prescribed by the doctor, when considering bacterial infections, you can use antibiotics such as cefaclor to carry out anti-infective treatment. Children with fever and vomiting symptoms, need to consult a doctor immediately, after a clear diagnosis for targeted treatment, to avoid delaying the treatment time. All of the above medications should be used under the guidance of a doctor.