Coughing in two-month-old babies can be caused by improper feeding, pneumonia, gastroesophageal reflux disease, etc.; general treatment and medication such as Ambroxol can be taken depending on the cause. 1. Improper feeding: when the child is breastfed, the mother’s milk flow is too fast, or the opening of the bottle is too large, which may cause the child to choke on milk, which is a physiological phenomenon. This is a physiological phenomenon. However, it is necessary to observe whether there are symptoms of aspiration pneumonia such as coughing afterward, adjust the way of breastfeeding, and change the bottle to a suitable one. 2. Pneumonia: Small babies are very susceptible to pneumonia due to improper feeding and weak body resistance, which manifests itself as coughing and sputum, and can be accompanied by fever. According to the specific pathogen infection selection of appropriate medication, such as bacterial pneumonia can use cefixime and other anti-infective treatment, while taking aminoglutethimide to resolve phlegm and so on. 3. Gastroesophageal reflux (GERD): very common in small babies. As long as it does not affect weight gain, there is no crying, aspiration pneumonia and other symptoms, usually can not be treated. Usually do not overfeed, with the growth and development of the perfect, will naturally improve. If your two-month-old baby is coughing, there may be other causes, so we recommend that you seek medical attention as soon as possible to clarify the cause and start treatment if necessary. The above medication should be used in accordance with medical advice.