Viral fever in small children usually lasts for about 1-7 days. Common causes of viral fever in small children are viral colds, etc. This is a self-limiting disease, and most viral fevers may last about 1-7 days after they appear. It depends on the child’s resistance and the type of viral infection. Some children have a fever for 1-2 days, while others may have a fever for 3-5 days or longer. Treatment is mainly based on symptomatic treatment, such as physical cooling or medication can be given according to the specific temperature, when the temperature exceeds 38.5 degrees, need to give antipyretic drug intervention, such as ibuprofen, acetaminophen and other antipyretic and analgesic drugs. It is recommended that the child viral fever during the taking of drugs need to follow the doctor’s instructions, at the same time, should be more supplemental water, to prevent symptoms of dehydration, the diet should be light, eat more vegetables and fruits.