High percentage of neutrophils in blood routine may be caused by bacterial infection, mycoplasma and chlamydia infection, physiological factors, etc. It can be treated by taking anti-infective drugs such as amoxicillin clavulanate potassium tablets and azithromycin. 1. Bacterial infection: high percentage of neutrophils caused by bacterial infection can be treated by taking antibacterial drugs such as Amoxicillin Clavulanate Potassium Tablets for anti-infective treatment. 2. mycoplasma and chlamydia infection: mycoplasma and chlamydia infection caused by high neutrophil percentage, you can take azithromycin dispersible tablets and other drugs for anti-infective treatment. 3. Physiological factors: Strenuous exercise, pregnancy and other physiological factors may also lead to a high percentage of neutrophils in routine blood tests, no other discomfort usually do not need treatment, regular review can be. In addition, chronic granulocytic leukemia, acute myeloid leukemia and other hematologic diseases can also lead to high neutrophil percentage, and it is recommended that the patient consult a doctor in time, make a clear diagnosis under the guidance of the doctor, and receive targeted treatment.