Acid reflux is a common and increasingly common disease in the community, with a chronic nature. In many cases, gastric reflux affects the quality of life and the treatment costs are large, and the treatment time is long.

The ring of Schatzki is essentially a circular membrane of the mucosa and submucosa of the esophagus. The Schatzki rings appear as thin membrane structures that do not contain any muscular buffering but have the potential to cause narrowing of the esophageal lumen. Accordingly, Schatzki's ring is sometimes found as an explanation for dysphagia, choking on upper gastrointestinal endoscopy.