A 6-month-old baby with a first fever needs to choose the appropriate fever-reducing method according to the degree of elevation of the baby’s temperature, such as physical hypothermia, oral medication, and so on. It is also important to treat the cause of the fever. Fever is a common symptom in childhood, for children with fever, the speed of temperature return to normal is related to the state of the disease and choose the right way to reduce fever, there is no best way to reduce fever. For children with fever but body temperature <38.5 ℃ can use warm water on the child's forehead, reduce the clothing worn and other physical cooling methods to lower the temperature, encourage children to drink more water, some children's body temperature can gradually decline, for children with body temperature ≥38.5 ℃ need to use antipyretic drugs such as ibuprofen under the guidance of a doctor for antipyretic treatment. At the same time for the cause of the treatment is also very important for the recovery of body temperature, such as bacterial infection caused by respiratory tract infection, need to actively use antibacterial drugs such as cefaclor, cefixime and other anti-infective treatment. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. 6 months old baby first fever should be timely consultation, identify the cause of cooperation with the doctor to take targeted treatment or treatment.