Patient: endoscopy for reflux esophagitis in 2001. barrett’s esophagus (coagulation-like) in February 2009. Taking Loxacol, Martinin. Recurrent episodes, guidance for surgery? Lasix? Or medication? Jing Daodao, Department of Gastroenterology, Shanghai First People’s Hospital: Barrett’s esophagus is a condition in which the squamous epithelium (pink) of the normal esophageal mucosa is replaced by a columnar epithelium (orange) similar to that of the gastric mucosa. this change is often accompanied by intestinal glandular metaplasia or heterogeneous hyperplasia and is often considered a precancerous lesion. barrett’s esophagus can occur on top of reflux esophagitis or on its own. In terms of treatment, the effect of medications such as loxacillin and martinin alone is not obvious. Endoscopic argon knife or laser treatment can be used, which is easy and simple. Generally large tertiary hospitals can do this treatment.