There is no best medication for a four-year-old child with a viral cold. A four-year-old viral cold is mainly caused by viral infections and is divided into the common cold and influenza, commonly used ibuprofen suspension, pediatric aminophenol xuanamin granules, oseltamivir granules and other medications. 1.viral common cold: four-year-old child viral common cold need symptomatic medication, such as accompanied by high fever, can be given ibuprofen suspension medication fever; such as accompanied by a runny nose, coughing, sneezing and other symptoms, you can orally pediatric aminophenol xuanamin granules and other drugs. 2. viral influenza: four-year-old children viral influenza, need to be given timely antiviral drugs to control, such as oseltamivir particles, etc., to inhibit the influenza virus, to avoid its further development. Parents should take their children to regular hospitals in time when their four-year-old children have symptoms of viral influenza. The above drugs need to be used according to the doctor’s prescription.