The percentage of neutrophils, which normally ranges from 55% to 70%, with a percentage of 49.3%, may have a viral infection. The percentage of neutrophils is the percentage of neutrophils in the peripheral blood in relation to all white blood cells. Elevations or decreases can have an effect, for example, the percentage of neutrophils will show a significant increase, usually belonging to acute bacterial infections. A decrease in the percentage of neutrophils occurs with viral infections. Therefore, by analyzing the percentage of neutrophils, it is possible to make a general judgment about the origin of the patient’s infection. It should be noted that a physiological increase in neutrophils also occurs in some physiological situations, for example, after emotional excitement and strenuous exercise. Diagnosis, need to be based on other test results, as well as personal clinical symptoms of the combination of analysis, you can consult the doctor in detail. In the life of the appropriate adjustment, eat more nutrients, such as high protein food, exercise, enhance their own resistance and immunity, regular physical examination, no abnormalities do not need special treatment.