Fever refers to the role of pyrogen, located in the hypothalamus of the human body thermoregulatory center is stimulated, and the occurrence of body temperature rise in the regulatory process. One and a half years old toddler fever 39 ℃ belongs to the moderate degree of fever, in order to avoid prolonged fever aggravate the burden on the heart and lungs of the child, should be taken to physical cooling, medication and symptomatic treatment measures to reduce fever, at the same time to carry out reasonable care. First, the fever of young children commonly used methods of fever reduction 1, physical cooling: such as letting young children drink a small amount of warm water, or warm water bath, in the case of suitable indoor temperature, reduce the child’s clothing, but also the application of ice packs, antipyretic patches to cool down; 2, medication: you can choose to ibuprofen, acetaminophen, and other medicines, safety is high, infected people need to be taken orally anti-inflammatory drugs, such as cephalexin and antivirus The infected also need to take oral anti-inflammatory drugs such as cefaclor and antiviral drugs such as Xin Bolin or Shuanghuanglian oral solution treatment; 3, pathogenic treatment: should do the relevant examination, as soon as possible diagnosis to find the source of the disease, to take targeted treatment. Nursing measures for fever in young children 1, ensure the stability of environmental humidity and temperature, in which the temperature is maintained at 18-23 ℃, regularly open the windows to ventilate the environment to keep the air fresh; 2, we should give the children enough water and nutrition, encourage the children to drink more water, and the children who can not drink water on their own can be taken to intravenous infusion to replenish water; 3, in the period of the drop of temperature in young children’s fever, it is necessary to pay close attention to the change of temperature and the change of signs, strictly prevent the change of temperature and the change of signs. During the period of decreasing body temperature, it is more necessary to pay close attention to the changes of body temperature and signs to prevent the emergence of lobar pneumonia, collapse and other complications; 4. The diet of the child should be fluid, nutritious, light and easy to digest, such as milk, lotus root powder, vegetable soup with less oil, etc., and can be changed to semi-liquid diet when the body temperature is decreasing.