Children with fever and cough caused by viral infections are mostly acute upper respiratory tract infections, commonly known as colds, and are mostly treated with general therapy and medication to relieve symptoms. Viral infections are self-limiting diseases, generally no special medication, mostly symptomatic treatment. If the infection is caused by influenza virus, oseltamivir phosphate can be used for antiviral treatment. If viral infection causes fever but the temperature is <38.5℃, you can use warm water on the forehead, reduce the clothing worn and other physical methods to reduce the temperature; for viral infection causes fever and the temperature is ≥38.5℃ children also need to use antipyretic drugs such as ibuprofen, acetaminophen and other antipyretic treatments under the guidance of a doctor. For mild cough children, especially small infants, should not use a large number of cough suppressant drugs; but when the child has a severe cough, serious impact on daily life or sleep when the use of dextromethorphan and other drugs as prescribed by the doctor. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. When a child develops a fever and cough, it is recommended that he or she be seen by a physician for evaluation and treatment.