The patient suffered from prolonged hoarseness, went to many places, and saw many otolaryngologists, but still did not reduce the disease. It was time to see a gastroenterologist, found that the patient had reflux esophagitis, and the doctor concluded that the patient's hoarseness was caused by reflux esophagitis. What are the characteristics of this disease? Why can reflux esophagitis cause persistent hoarseness? This article will address that issue.