A one-month-old baby choking from the nose may be due to normal physiological factors or improper feeding, digestive system infection, or digestive tract malformation. Parents need to promptly take their baby to the hospital to determine the cause and treat the cause. Common causes and treatment 1, normal physiological factors: the baby is mainly lying down, the stomach is horizontal, plus the gastric inlet cardia sphincter is underdeveloped, the outlet pyloric sphincter is relatively tight, milk is easy to backflow from the stomach into the mouth, and the mouth and nasal cavity are connected, when the milk reflux is more urgent, it will come out of the nose. Parents need to promptly clean up the baby’s mouth and nasal cavity in the milk to keep the respiratory tract clear; 2. Improper feeding: too much milk, too urgent, and inhalation of air when feeding, can occur choking symptoms. Attention should be paid to improving the way of breastfeeding in time, try to avoid cross-hold breastfeeding, at the same time need to pay attention to a single feeding should not be too much, bottle mouth opening should be appropriate, not too large. Generally, such symptoms can be avoided after adjustment and no special treatment is needed; 3. Digestive system infection: when the child has a digestive system infection, in addition to choking, abdominal pain, bloating, diarrhea, nausea and vomiting, loss of appetite, fever and other symptoms can be seen. It is recommended to improve the blood routine, stool routine, stool culture and other tests, according to the test results to choose the appropriate treatment; 4, digestive tract malformation: congenital digestive tract malformation is one of the common malformations in children, the main clinical manifestations are vomiting, abdominal distension, can appear choking symptoms. At this time, the symptoms are generally more serious and require prompt medical attention and, if necessary, surgical treatment. Precautions One-month-old infants choking on milk can generally improve symptoms by improving feeding practices. When breastfeeding, hold the child up with the head slightly elevated, and when the child is full, gently pat the back or massage with massage to help digestion and relieve the symptoms of spitting up and choking. If there is severe choking, aspiration pneumonia or even asphyxia in infants, prompt medical attention is needed. If frequent vomiting occurs, hospital examination is needed to rule out digestive system diseases.