Symptoms of reflux esophagitis include reflux, heartburn, and chest pain. Symptoms of pharyngitis include sore throat, dry throat, and itchy throat. Reflux and heartburn are the most typical symptoms of reflux esophagitis. Reflux is the sensation of gastroduodenal contents surging into the pharynx or mouth without nausea and exertion, and is called acid reflux when it contains an acidic taste. Heartburn is a burning sensation behind the sternum or under the xiphoid process. Atypical symptoms of reflux esophagitis include chest pain, difficulty swallowing, or a foreign body sensation behind the sternum. Reflux irritates or damages tissues and organs outside the esophagus, and can also cause chronic cough, asthma, pharyngitis and other manifestations. Pharyngitis can be divided into acute pharyngitis and chronic pharyngitis. Symptoms of acute pharyngitis include burning and dryness of the pharynx, pain in the pharynx, and discomfort in swallowing, etc. Chronic pharyngitis is characterized by burning and dryness of the pharynx. Chronic pharyngitis is characterized by foreign body sensation in the pharynx, itchy pharynx, burning sensation in the pharynx, dryness or slight pain in the pharynx. If the above symptoms occur, it is recommended to go to the hospital in a timely manner to improve the relevant examinations, a clear diagnosis, and early formal treatment under the guidance of physicians.