Cold and cough in two-month-old infants may be caused by viral infection, bacterial infection and other reasons. It is necessary to let the child drink more water, gently pat the back to promote the discharge of phlegm, adjust the humidity of the room, etc., and if necessary, consult a doctor for medication. When a two-month-old baby has a viral cold and develops a cough, parents can pat the child’s back to promote the expulsion of phlegm. At the same time, you should also pay attention to adjust the indoor humidity, so that the indoor humidity is maintained at the appropriate level, because excessively dry air may irritate the baby’s respiratory tract, aggravating the symptoms of coughing. After a two-month-old baby is infected with bacteria and develops a cough and phlegm, parents should let the child drink more water, which can make the phlegm thinner and facilitate the discharge of phlegm. If the child is also accompanied by symptoms of fever, you need to go to the hospital in time to carry out blood routine and drug sensitivity test. According to the results of the test to choose sensitive antibiotics. Two-month-old infants with cold and cough symptoms, if the symptoms can not be relieved by lifestyle adjustments or accompanied by other symptoms, you need to go to the hospital in time, under the guidance of the doctor for targeted treatment.