Eosinophilic gastroenteropathies are rare disorders. An 18-year-old girl presented to the hospital with abdominal pain and distension. Abdominal tenderness and grade 2 ascites, serious peripheral eosinophilia and high immunoglobulin E level were found. Laparoscopic antrum biopsy showed subserosal eosinophilic infiltration. Eosinophilic gastroenteropathy was suspected, diet elimination was given, no steroid treatment was used.