Esophagitis is a common clinical condition, so generally, patients do not need to worry too much. The typical symptoms of esophagitis include nausea and heartburn, with heartburn being particularly characteristic. This manifests as a burning pain in the esophageal area or the whole chest, typically occurring persistently with episodic exacerbations, and it is generally related to diet. The condition often flares up after meals, lasts for several hours before gradually easing, but is prone to recurrence. If a patient experiences the aforementioned discomfort, it is advisable to further undergo an endoscopic examination to assess the condition and confirm the diagnosis. Esophagitis can typically be identified during an endoscopy by signs of congestion, edema, and even erosion or ulceration of the esophageal mucosa. Thus, the diagnosis of esophagitis generally relies on endoscopic examination, and the initial treatment may focus on dietary adjustments and oral medications, which might include acid reducers, mucosal protective agents, and drugs that improve gastrointestinal motility. (Please use medications under the guidance of a professional physician.)