A high percentage of chickenpox monocytes may be due to the fact that chickenpox is in the recovery period. Chickenpox is a viral infectious disease, and monocytes are a type of leukocyte, which may be elevated during the recovery period of a viral infectious disease. Chickenpox is usually caused by herpes zoster virus infection, monocytes belong to the leukocytes, is the effector cells of the virus, involved in the body’s immune response, when the body suffers from infectious diseases, monocytes are involved in the removal of pathogens, with killing and phagocytosis of the virus. Elevated lymphocyte percentage may occur during the developmental phase of viral infection, and elevated monocyte percentage during the recovery phase is a sign of disease recovery. Chickenpox mononuclear cell percentage is high in the recovery period may appear, do not worry too much, follow the doctor’s advice regular treatment can be.