A two-month-old baby with a cough may have bronchopneumonia and should be seen by a registered pediatrician. In the case of acute bronchitis due to upper respiratory tract infection, you need to continue to observe the temperature to prevent symptoms of fever. It is important to do routine blood tests, have the doctor perform lung auscultation, and take radiographs if necessary. Usually you should pay attention to the situation of not spitting up milk, you can do with nebulizer inhalation therapy for children, you can inhale salbutamol to improve the appearance of irritating dry cough symptoms. If there is sputum, you can do inhalation of chymotrypsin to promote the elimination of sputum. If there is inflammation, antibiotics should be used to eliminate the inflammation, and you can use compound forcodine oral solution to improve the symptoms of cough and runny nose. Make sure that the air in the house has a certain level of humidity. When your baby has a violent cough, pick him up and pat him on the back.