Image-guided gastrostomy can solve the symptoms of retrosternal pain, throat discomfort, hoarseness and dyspnea after stent placement, and solve the problem of long-term irritation of the esophageal mucosa by the nasogastric nutrient tube prone to esophagitis, discomfort caused by long-term irritation of the nasopharyngeal cavity, reflux esophagitis and aspiration pneumonia; and the external end of the nasogastric nutrient tube is fixed in the head and neck, which brings a lot of inconvenience to the patients in terms of appearance and psychology. Gastrostomy tube has the following characteristics: 1. The external end of the tube is located in the abdomen, which does not increase patients’ discomfort in appearance and psychology, and is well tolerated by patients, greatly improving their quality of life; 2. Complications such as foreign body sensation, mucosal damage, nausea and vomiting, reflux esophagitis and aspiration pneumonia can be avoided; 4.