Food coming out of the nose during vomiting is a frequent clinical phenomenon. Because the human pharynx is connected to the nasopharynx and nasal cavity, if the patient has a large amount of stomach contents entering the pharynx from the stomach within a short period of time and cannot be discharged through the mouth in time, some of the food residue will enter the nasal cavity through the nasopharynx and thus come out in the nose. Clinically, there may also be the following causes: 1. For children, especially infants and young children, if this often occurs it cannot be ruled out that it is caused by eating too much, or having a loss of cardia or cardia relaxation. It is recommended to try to stand the child up when feeding, gently pat the back, if always bad should go to the pediatrician for treatment. 2, adults excessive alcohol consumption, excessive full meals, or excessive soup, after exercise is prone to the phenomenon of vomiting, if occasionally found not a big problem. If it occurs frequently you need to go to the gastroenterology department to see if there is reflux gastritis, reflux esophagitis and other diseases. For sudden appearance, it cannot be excluded clinically that the patient has no intracranial diseases such as intracranial pressure.