It is not normal for a baby to have a fever after weaning. Generally speaking, weaning will not be the cause of fever in babies. If the baby has fever after weaning, it may be caused by viral, bacterial, mycoplasma and other pathogen infections, parents should notice that this is not a normal phenomenon and should pay attention to it. If the baby has a fever, parents should first give the baby for physical cooling, you can take the forehead paste cooling patch, wrapped in a towel with a good ice bag on the baby’s forehead and other methods to lower the temperature. Secondly, it is recommended that parents take their babies to the doctor in time for blood tests to clarify the cause of the disease, and under the guidance of the doctor, according to the cause of targeted treatment. If a newborn baby is not feeling well, he or she should seek immediate medical attention to avoid jeopardizing his or her life and health.