Children are always choking on saliva to cough may be related to physiological factors, but also may be related to congenital cleft palate, epiglottis cartilage developmental anomalies and other pathological factors, the specific analysis is as follows. 1. Physiological factors: children due to the narrower gastroesophageal tract, and the cardia is more flaccid, coupled with excessive saliva secretion in the mouth, there will be choking cough, this will not be harmful to the children’s body, so do not need special treatment. 2. Pathological factors: some children have congenital cleft palate, so it is easy to choke during swallowing and feeding. In addition, if the epiglottis cartilage development is abnormal, the above situation will also occur. Children are always choking on saliva to cough there may be other reasons, it is recommended to go to the hospital in a timely manner for relevant examinations, clear cause of the symptoms of the active treatment.