One year and three months old babies with fever need to choose the appropriate antipyretic method according to the degree of elevated temperature, such as physical cooling, oral medication, etc.. 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 normalization of body temperature is related to the state of the disease and the choice of the correct antipyretic method, and there is no best antipyretic method. For children with fever but body temperature <38.5 ℃ can use warm water on the child's forehead, reduce the wearing of clothing and other physical methods to reduce temperature, encourage the child to drink more water, some children's body temperature can gradually decline; for children with body temperature ≥38.5 ℃, if necessary, also need to use antipyretic drugs under the guidance of the doctor, such as ibuprofen, acetaminophen and so on for antipyretic treatment. At the same time for the cause of 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, cefdinir and other anti-infective treatment. In case of rheumatic immune disease, immunosuppressant treatment is needed; in case of hematological tumor-related disease, chemotherapy, bone marrow transplantation and other treatments are needed. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. There are many causes of fever, and it is recommended that children with fever should consult a doctor promptly and be evaluated and treated by a specialist.