After a baby chokes on milk, you can judge whether there is any problem through the symptoms, such as the baby’s face color, breathing and so on. After choking, you need to observe the baby’s color in time, if it is a normal state and more red, almost the same as the normal color, usually do not need to worry too much. At the same time, we also need to observe the baby’s breathing, if the breathing is more stable, no shortness of breath, violent gasping, etc., the initial judgment that the baby’s health is not a problem. Babies are young, the gastroesophageal sphincter is not yet well developed, and the volume of stomach contents is small. If the baby is in a hurry when taking milk, choking will occur before he has time to swallow. After this situation, it is recommended to take the side position, let the baby’s head to the side, use the palm to pat the back, but also can clean the mouth and nasal cavity of foreign objects. If the situation is more serious, you need to take first aid, and go to the hospital in time for examination and treatment.