Ten-month-old babies always cough may be related to acute bronchitis, bronchopneumonia, gastroesophageal reflux and so on. 1. Acute bronchitis: due to pathogens such as viruses or bacteria, the bronchial mucosa is infected and inflammation occurs. It may show cough, and infants and young children may have fever, vomiting and other symptoms in severe cases. 2. Bronchopneumonia: associated with viral and bacterial infections and other pathogens, causing lung tissue congestion, edema, symptoms such as irritating dry cough, fever, shortness of breath and other symptoms in the early stage. 3. Gastroesophageal reflux: cough, acid reflux, belching (hiccups) and other symptoms, aggravated by crying, the situation is more obvious in the morning. Ten-month-old baby always coughing, there may be other reasons (such as cough variant asthma, etc.), it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.