High absolute value of monocyte may be caused by virus infection, but also need to consider the possibility of acute mononuclear cell leukemia or lymphoma, so need to be based on the specific causes of drug treatment, radiotherapy, etc.. 1. Infection: when the body has viral infection, it will stimulate the immune system to produce immune stress reaction, so it may lead to high absolute value of monocytes in blood components, and at this time, it is necessary to choose antiviral drugs to carry out effective treatment, such as oseltamivir, zanamivir and so on. 2. Acute mononuclear cell leukemia: acute mononuclear cell leukemia can also cause high absolute value of monocytes in blood cells, which requires radiotherapy and other treatments. 3. Lymphoma: Lymphoma can also cause high absolute value of monocytes in blood components, which requires chemotherapy, radiotherapy and other treatments. After the occurrence of high absolute value of monocytes, one should consult the doctor in time to determine the specific cause of the disease and choose the appropriate treatment plan under the doctor’s guidance.