High white blood cells can be lowered by infusion in 3 days. Usually, high white blood cells clinically suggest bacterial infection, and sensitive antibiotics can be selected through the patient’s clinical symptoms, signs and laboratory tests, combined with the patient’s own condition, and whether there is a history of drug allergy and the antibacterial spectrum and action characteristics of the drugs. As the drug treatment becomes effective, the patient’s body temperature will gradually decrease, while the clinical symptoms will improve and the white blood cell count will also decrease. With the effective drug treatment, patients with mild cases can be cured in 5-7 days, and patients with severe cases can choose sensitive antibiotics for further treatment according to drug sensitivity test.