Fever prevention depends mainly on daily physical fitness, immunity improvement, as well as pay attention to avoid viral and bacterial infections, daily recommended to do the following: 1, to ensure a good work and rest habits, to avoid staying up late, work stress, smoking, alcoholism, as well as to ensure that dietary hygiene, to ensure that the dietary balance, the choice of food can be diverse. But pay attention to avoid high-sugar, high-fat, high-calorie diet, arrange scientific exercise, exercise at least 3 times a week, arrange no less than 150 minutes of aerobic exercise time, to enhance their physical fitness. 2, in the influenza season, pay attention to avoid going to densely populated places where the air does not circulate, around the attention of the cold, if any, to protect, to ensure that the indoor air circulation, and to do a good job of daily hygiene. 3, in the feeling of body In case of discomfort or abnormality, timely medical checkups should be carried out and timely targeted treatment should be given to avoid continuous aggravation of the condition or blind use of medication, which may delay the condition.