Vomiting after gastric tube feeding may be caused by poor feeding methods, or indigestion, intestinal obstruction and other disease factors, the former caused by the need to adjust the amount of feeding, the latter caused by the need for targeted treatment under the guidance of the doctor, such as drug treatment, surgical treatment, and so on. 1. Poor feeding: If the food in the patient’s stomach has not been digested before nasal feeding, and at the same time a large amount of liquid food is infused, it may cause gastroesophageal reflux and vomiting symptoms, at this time, it is necessary to reduce the amount of feeding or to stop feeding, and gastrointestinal decompression is needed when necessary. 2. Dyspepsia: dyspepsia can cause nausea, vomiting and other symptoms, can be treated with drugs such as mosapride, domperidone, etc., accompanied by Helicobacter pylori infection can be treated with quadruple therapy, such as amoxicillin, metronidazole combined with bismuth potassium citrate, omeprazole. 3. Intestinal obstruction: fasting, gastrointestinal decompression, correction of hydroelectrolyte disorders are needed, and surgical treatment can be considered when strangulated intestinal obstruction occurs, such as simple relief of obstruction and intestinal resection anastomosis. It is recommended to go to the hospital after vomiting food after gastric tube feeding, and ask the doctor to judge and make individualized treatment plan.