Choking may be due to physiological factors or pathological factors such as pneumonia, respiratory infections and gastroesophageal reflux. 1. Physiological factors: The child’s stomach capacity is small, drinking too much milk and drinking milk after not ventilated will lead to choking. Or choking is caused by incorrect feeding position, avoid overfeeding, burp after milk and adjust the feeding position. 2. Pathological factors: If the child has respiratory tract infection, nose breathing is not smooth, swallowing is not coordinated can cause choking. Or due to the child’s lower esophageal sphincter dysfunction or tissue structure abnormalities of gastroesophageal reflux caused by choking. The child always choking, there may be other reasons, it is recommended to go to the hospital in a timely manner, complete the examination to determine the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.