Coughing in children can be caused by cold air stimulation, the presence of respiratory diseases and other reasons, according to the condition of the appropriate method of treatment. 1. Cold air stimulation: children coughing is very likely to be a long time by the cold air stimulation caused by this situation should pay attention to wear a mask in time and drink some warm water, help to ease the impact on the throat area. 2. the existence of respiratory diseases: the situation may also be the existence of respiratory diseases caused by the need to clarify the cause of active treatment, such as bronchopneumonia caused by mycoplasma, can take azithromycin and other anti-infective treatment. Children cough old bad may also have many reasons, such as cough variant asthma, should go to the hospital in time, clear diagnosis, under the guidance of the doctor to choose the appropriate method of treatment.