Body temperature between 37.4-38 ℃ belongs to low fever, that is, mild fever, you can first carry out physical cooling, the use of warm water or alcohol wipe neck, armpits, thigh roots, palms, feet and other parts of the body. If the body temperature reaches between 38-39 ℃ belongs to moderate fever, if discomfort occurs, you can take oral antipyretic medication, such as ibuprofen, when the body temperature reaches 39 ℃ or more belongs to high fever. To drink more water, more urination is conducive to the temperature drop, to prevent dehydration caused by high fever. If the body temperature reaches 41 ℃ or more belongs to the ultra-high fever, must consult a doctor in time, timely symptomatic treatment.