2-year-old baby summer cough may be due to eating too fast resulting in choking cough, may also be caused by cold caused by bronchitis, there may be allergic cough caused by different reasons, different treatment. 1. Physiological factors: babies love to eat watermelon and other water-rich fruits in the summer, if the eating speed is too fast, it will lead to choking and coughing, and then the symptoms of 2-year-old baby cough in the summer, this cough is usually transient, no need for special treatment. 2. Bronchitis: 2 year old baby summer if greedy cool blowing fan or blowing air conditioning, may be cold occurrence of bronchitis, this situation may also lead to the baby coughing symptoms, treatment can let the baby rest, drink more water, and pay attention to keep warm. If the combination of bacterial infection, can use cefuroxime, amoxicillin and other drugs for treatment. 3. Allergic cough: allergic cough is due to the baby’s allergy to cold air, irritating gases, pollen and other substances caused by the disease, the disease can also lead to 2-year-old babies cough symptoms in summer, usually away from allergens after the symptoms can be improved. If the allergy is severe, on can use loratadine syrup and other drugs for treatment. After eliminating the physiological factors, if the symptoms of summer cough in 2-year-old babies continue to be unrelieved, it is recommended to consult a doctor to find out the cause of the cough, so as to avoid delaying the condition. All of the above medications should be used under the guidance of a doctor, avoid self-medication.