If you always feel burning sensation in the esophagus after eating, you can consider eating too hot food, esophagitis, or gastroesophageal reflux. 1. Eating too hot food: If the temperature of the food is too high during the meal, it will cause damage to the mucous membrane of the esophagus, and you will feel a burning sensation in the esophagus after eating. 2. Esophagitis: Esophagitis is an inflammation that occurs after damage to the mucosa of the esophagus due to various reasons, which may cause acid reflux and heartburn. As some of the contents may reflux to the pharynx and the mouth, it may cause certain stimulation to the esophagus and cause burning sensation in the esophagus. 3. Gastroesophageal Reflux (GER): GER is mainly caused by the reflux of gastric contents into the esophagus, this disease is also prone to reflux after eating, there will be a burning sensation in the esophagus, accompanied by epigastric pain, belching and other symptoms. The burning sensation in the esophagus after eating may also be chronic gastritis and other conditions, you should go to the hospital, to clarify the cause of the symptomatic treatment, and usually eat to avoid eating too hot food and stimulating food.