Body temperature of 38 ℃ when the antipyretic drugs were taken, the impact on the condition is not significant, but pay attention to the following points: 1, below 38.5 ℃ try to avoid the use of antipyretic drugs, unless there are obvious symptoms of discomfort, such as headache, muscle aches, etc. 2, after taking antipyretic drugs, may lead to a large number of sweating organism, may lead to deficiency, need to pay attention to supplemental water, child patients are prone to dehydration, the elderly due to blood concentration, the Therefore, for special groups such as children and the elderly, the dosage of antipyretic drugs should be reduced. 3. Antipyretic drugs are only symptomatic treatment and cannot replace the treatment of etiology, such as anti-infective drugs and anti-viral drugs.