2 months baby occasionally cough a few times, if the air is dry, choking, etc. is a normal phenomenon, if accompanied by respiratory increase, fever, runny nose and other discomforts for respiratory infections, the need for timely medical attention. 1. physiological phenomenon: baby respiratory sensitivity, dry air, cold air, dust and other stimuli may cause baby cough; in addition, the baby swallowing function is not perfect, easy to be milk, saliva, etc. caused by choking, these are all normal physiological phenomena, the general causative factors removed after the return to normal, not accompanied by other abnormal symptoms. 2. Pathological causes: 2-month-old baby colds, bronchitis and other respiratory infections, may also appear cough, there may also be shortness of breath, fever, runny, wheezing and other symptoms, which will require immediate medical attention. 2-month-old baby occasionally cough, parents need to closely observe the baby’s spirit, temperature and other conditions, can not judge when the need to seek timely medical attention.