A child with a fever of 38.3 degrees can choose physical cooling if there are no uncomfortable symptoms, but if there is a history of febrile convulsions or uncomfortable symptoms should be according to the doctor’s instructions to use drugs to lower the temperature. 1. Physical cooling: children with a fever of 38.3 degrees, if there are no special circumstances can be used physical cooling, such as using warm water to wipe the forehead, groin, palms and feet and armpits and other parts of the body, can play a very good cooling effect. At the same time, you need to let the child drink more warm water, more rest, and always monitor the temperature changes. 2. Drugs to reduce temperature: If the child has a history of febrile convulsions, in the fever of 38.3 ℃ at the same time and accompanied by listlessness and other obvious discomfort, you can use ibuprofen suspension under the guidance of the doctor and other antipyretic drugs to improve the child’s discomfort, and go to the hospital for treatment in a timely manner. Children with a fever of 38.3 degrees may have many reasons, it is recommended to consult a doctor in time to determine the cause of the fever, and targeted treatment. The use of medication should follow the doctor’s instructions, do not self-medication, so as not to cause serious consequences.