The lowering of white blood cells and the elevation of neutrophils may be caused by bacterial infections, viral infections and other causes, different causes of different treatment methods, commonly used methods such as drug therapy. 1. Bacterial infection: patients can use penicillin drugs under the advice of the doctor for treatment, such as amoxicillin capsules, phenoxymethylpenicillin tablets, etc., but also follow the doctor’s instructions to use cephalosporins, such as cefixime particles, ceftriaxone capsules, the patient appeared in the internal organs of the abscess, but also surgical treatment, such as puncture placement tube drainage. 2. Viral infection: patients can follow the doctor’s instructions to use antiviral chemicals for treatment, such as ganciclovir tablets, ritonavir tablets, etc. Interferon can also be used for treatment, and if the viral infection leads to the tumor, surgical treatment is also available. Specific treatments should be chosen under the guidance of doctors after going to the hospital for examination and confirmation of diagnosis, and patients should go to the hospital for regular review, so that the doctors can adjust the treatment plan according to the situation of the review.