Objective To investigate the clinical and endoscopic features of esophageal diverticulum performance. Methods The April 2010 to 2015 years 1 month in our department by gastroscopy in the diagnosis of 28 cases with esophageal diverticulum in patients with clinical data were retrospective analysis, observe the clinical symptoms of esophageal diverticulum. Flushing liquid erosion (between the results of esophageal diverticulum patients 18 cases without any symptoms, accounting for clinical manifestations of 64%, 4 cases of patients with pharyngeal dysphagia is 14%, 3 cases of patients with esophageal foreign body sensation, accounting for 11%, 3 cases of patients with substernal pain, 11%; patients with gastroscopy showed pharyngoesophageal diverticulum in 9 cases (32%), esophageal diverticulum of 15 cases (54%) and phrenic diverticulum in 4 cases (14%); esophageal diverticulum diameter < 1.0cm of 20 patients (71%), between 1.0-3.0cm 5 cases 18% and > 3.0 cm in 3 cases (11%), all patients with esophageal diverticulum mucosal surfaces were no hyperemia, edema, and a little food residue of 13 cases, can clean. Conclusion Esophageal diverticulum is generally asymptomatic, mainly in the middle third of the esophagus, most of the patients had no obvious esophageal symptoms, less complications and diverticulum size and age of the patients have positive correlation.