In general, the acute phase of chronic inflammation of the esophageal mucosa refers to an acute attack of chronic esophagitis. Chronic esophagitis refers to the chronic inflammation of the esophageal mucosa, which mostly occurs in the middle and lower esophagus, with the lower segment being the main one. Localized congestion and edema of the esophageal mucosa, blurring of the submucosal vascular texture, mucosal erosion or white plaque phi and easy to bleed, mucosal bulging and hypertrophy, ulceration and other pathological changes may occur, and symptoms such as acid reflux, heartburn and chest pain may occur. Acute episodes of chronic esophagitis can appear acute esophagitis changes, the mucosa appears more serious congestion, swelling, erosion, ulceration and bleeding. Symptoms are more serious, and may include burning pain behind the sternum or under the raphe, pharyngeal discomfort, nausea, vomiting, loss of appetite, acid reflux, etc. The patient may have difficulty swallowing or obvious choking sensation for a short period of time, and in severe cases, there may be vomiting of blood. Acute attack of chronic esophagitis is recommended to consult a doctor in order to clarify the diagnosis, under the guidance of the doctor to carry out targeted treatment.