Low lymphocyte classification and high neutrophil classification may be due to physiological factors or pathological factors, such as viral infections and blood system diseases. 1. Physiological factors: Lymphocytes predominate in the white blood cells from infancy to preschool, low lymphocyte and neutrophil classification is a normal physiological phenomenon, no need to worry. 2. Pathological factors: commonly found in viral infections, such as acute upper respiratory tract infection, typhoid fever, etc. At this time, the patient may have sore throat, fever, rash and other symptoms, if necessary, should be antiviral treatment, such as oral antiviral drugs, ribavirin, etc., such as the combination of bacterial infections can be used to use antibiotics, such as oral levofloxacin and so on. In addition, it can also be seen in leukemia and other hematologic diseases, with enlarged lymph nodes, unexplained fever and other abnormal related laboratory indicators, if necessary, bone marrow aspiration biopsy to clarify the diagnosis and treatment. Lymphocyte classification bias neutrophil classification low should be timely hospital consultation, under the guidance of the doctor to improve the relevant laboratory tests, if necessary, drug treatment, discomfort follow-up.