Baby fever 41 ℃ belongs to the ultra-high fever, ultra-high fever for the human body has a certain damage, such as the heart, brain and digestive system, etc., will have some damage, so it is recommended that parents should actively give the child to lower the temperature treatment. You can give your child oral antipyretic drugs, such as ibuprofen or acetaminophen, choose one of the two drugs. After taking the antipyretic medication, you should give your child more warm water to let him or her sweat, which is conducive to lowering his or her temperature. In addition, parents are advised to take their children to the hospital to do relevant examinations to see whether the child is a bacterial infection, viral infection, or mycoplasma infection, and whether the site of infection is in the respiratory system, digestive system, or in the urinary system. Also do blood routine, C-reactive protein, urine routine, chest X-ray and other related tests, according to the examination of the cause of the disease, targeted treatment.