Baby fever about 38 degrees, may be upper respiratory tract infection, gastroenteritis and other causes, treatment methods include: physical cooling, monitoring changes in the condition, primary disease treatment. 1. Physical cooling: baby fever 38 ℃, you can first carry out physical cooling, including lowering the room temperature, good ventilation, appropriate to reduce the child’s clothing and cover, the use of warm water on the neck, palms, feet and other parts of the bath to help cool down, but also need to give more water to the child, to avoid dehydration. 2. Monitor changes in the condition: closely monitor the body temperature, if the physical cooling effect is poor, the body temperature reaches 38.5 ℃ or more can be used to ibuprofen and other drugs to reduce fever. In addition, you also need to closely observe the child’s mental condition, if there is mental instability, vomiting, persistent high fever does not go away, symptoms worsening, etc. may indicate that the condition is more serious, it is recommended to consult a doctor in a timely manner. 3. Primary disease treatment: the causes of fever in children are more, need to go to the hospital for routine blood, C-reactive protein and other tests to clarify, if the bacterial infection, need to use amoxicillin and other antibiotics under the guidance of the doctor for treatment, only the primary disease control to avoid recurring fever. Fever is one of the common symptoms of children, baby fever, parents need to immediately implement the correct heat treatment, if necessary, seek medical attention.