A baby’s strong cough may be caused by allergic reactions, viral infections, bacterial infections and other conditions, which can usually be treated with medication. 1. Allergic reaction: when the cough is triggered by contact with pollen, smoke and other allergens, the baby should immediately detach from the allergens and take cetirizine hydrochloride tablets and other medications as prescribed by the doctor for treatment. 2. viral infection: due to viral invasion of the respiratory mucosa, caused by respiratory mucosal edema, thus appearing to cough more severe situation, viral common cold is generally self-limiting disease, coughing is the body’s normal physiological process of discharging germs, without special treatment. If the baby coughs a lot, you can feed some honey water or boiled pear soup to ease the throat discomfort. 3. Bacterial infection: the baby’s immunity is low, it is easy to be infected by bacteria, caused by bacteria, cough, commonly used drugs have amoxicillin and other drugs for treatment. The baby cough may also be due to strenuous activities, emotional overstress and other factors, it is recommended to go to the hospital and identify the cause, under the guidance of the doctor to deal with, do not self-medication. Daily attention to light diet, pay attention to warmth, regular rest and relaxation, while avoiding spicy, fatty, too hard food.