The cause of a two-month-old infant’s cough should first be clarified before deciding what medication to take. Two-month-old infants are too young and their liver and kidney functions are not well developed, so they should choose their medication carefully, as follows: i. If the occasional cough, without phlegm, may be caused by residual milk stimulation, you can give the child more water, without taking medication first, and observe the cough. If the cough is caused by a cold, a cold or a family member catching a cold and infecting the child, you can take oral medications for colds, such as compound aminophenol methadone oral solution, Qingkailing and pediatric cough syrup. 3. If the cough with phlegm is considered to be caused by bronchitis or bronchopneumonia, it can be treated with oral cefaclor granules and aminoglutethimide oral solution. If the cough does not reduce in 2-3 days, you should go to the hospital in time and follow the doctor’s instructions to avoid delaying the condition.