A baby with a fever of 41℃ is considered ultra-high fever, which is quite dangerous. It may cause the child to develop hyperthermic convulsions, resulting in hypoxia, and prolonged hyperthermia may also lead to cell degeneration and necrosis, causing irreversible damage to the organism. A high fever of 41 ℃, the body’s oxygen consumption is more, more energy consumption, the child will feel fatigue, digestive function is affected, and therefore may have a reduced appetite, gastrointestinal discomfort, diarrhea, abdominal distension and other manifestations. A high fever of 41 ℃ will also lead to a significant decline in the child’s resistance, secondary infections or aggravation of the chances of greatly increased, so a high fever of 41 ℃ to be dealt with immediately, usually immediately given oral antipyretic drugs, such as ibuprofen, etc., at the same time with physical cooling methods, such as taking a warm bath, using warm water baths or sticking cooling pads, etc., at the same time, drink plenty of warm water, wear loose cotton clothes, in order to help dissipate the heat and reduce fever.