Cytomegalovirus infection in 2-month-old babies is mainly caused by placental vertical transmission, maternal obstetric secretions or breast milk feeding containing cytomegalovirus, although there is a certain self-limiting, symptoms may be mild, but if left to develop still may turn into serious illness, so it also needs active treatment, combined with clinical symptoms and the severity of the disease to develop a reasonable treatment plan. Main symptoms 1, respiratory tract infection: the baby will appear pneumonia performance, such as breathing difficulties, breathing times accelerated, apnea, cough, nasal congestion, etc., chest X-ray shows increased respiratory lung texture, thickening; 2, liver damage: baby infection cytomegalovirus will also appear liver function damage, liver enzymes increased, jaundice, etc.; 3, hearing impairment: due to viral infection, easy to cause the baby to appear neurological deafness, hearing 4, other manifestations: such as microcephaly, mental retardation, skin petechiae, thrombocytopenia, paraventricular calcification, etc. Treatment Babies with symptoms of respiratory tract infection should be given oxygen therapy to improve the manifestation of respiratory discomfort. Should be closely evaluated by the doctor to determine whether to use the antiviral drug ganciclovir for treatment, pay attention to the side effects of ganciclovir during the course of treatment, and give hepatoprotective treatment to those with increased transaminases, etc. Note that because of the young age of the baby, the condition changes quickly, and the infection is easily combined with other organ damage, so hospitalization is recommended for observation and treatment, so that the treatment plan can be adjusted at any time according to changes in the condition.