There are two main types of causes of normal white blood cells, high neutrophils and low lymph: first, causes of hematologic disorders, commonly acute granulocytic leukemia, chronic granulocytic leukemia abnormalities, and myeloproliferative leukemia, can trigger normal white blood cells, high neutrophils and low lymphocytes. Second, infectious factors can also lead to this blood result, such as bacterial infections are more common, including peripheral inflammatory response syndrome, respiratory system infections, digestive system infections, urinary system infections and neurological system infections. The most common diseases are pneumonia, bronchitis, gastroenteritis, acute cystitis of the urinary system, acute pyelonephritis, and acute encephalitis.