When an eight-month-old baby has a fever of 38 ℃ and it does not go away, the specific treatment includes physical cooling and medication, as follows: 1. Physical cooling: parents should clarify whether to take the correct way to reduce fever, the normal way to reduce fever is at 38 ℃, you can alternate through a variety of physical cooling, which can be very good to make the temperature back to normal. You can give your baby some warm water, and at the same time, you can wipe with warm water repeatedly and constantly, especially for the parts that are rich in blood vessels, such as the neck, armpits, groin, including the limbs can be wiped more often. It should be repeatedly and constantly wiped, rather than wiping once and then not wiping. This situation through a variety of physical cooling alternately continued, most of the temperature can have fallen, or recede to normal. 2, drug treatment: If there is still no decline in the situation, parents can not observe, but should be further taken with drugs to treat, especially when the temperature does not fall but rise, or baby in the fever when the hands and feet cold, etc., you can apply antipyretic drugs, such as ibuprofen, acetaminophen, together with the treatment. Choosing one of them along with physical cooling can bring the temperature back to normal. If the temperature still does not go down after various medications and physical cooling, you need to take your baby to the hospital for a detailed examination and further treatment under the guidance of a doctor.