For recently 2 years, 3 cases of esophageal achalasia were surgically treated by modified Heller operation with gastric fundoplication. Esophageal achalasia is functional disorder of lower esophagus of which symptoms are dysphasia, regurgitation, and weight loss. Preoperative diagnosis was made by clinical manifestations and radiologic examination, esophagoscopy and confirmed at operative table. Operative procedures are variable, but modified Heller operation is common method to handicap reflux esophagitis and postoperative esophageal stricture. Now, our patients who were surgically treated were well alive without complaining of specific symptoms for followed period. [KTCS 1982;4:451-455]