Reflux esophagitis grade a is a classification for endoscopic diagnosis of reflux esophagitis, which requires oral medication to inhibit gastric acid secretion and protect the esophageal mucosa. Reflux esophagitis grade a is a more serious condition, endoscopy can see partial damage to the gastroesophageal mucosa, there is no fusion and the length of the erosion is less than 5mm, and there may be slight reflux heartburn and other symptoms. Treatment can be under the guidance of the doctor oral inhibition of gastric acid secretion of drugs, such as rabeprazole sodium enteric-coated tablets, etc., there may be a decrease in total blood cells, dizziness, weakness of the limbs, skin rash and other adverse reactions, allergy is prohibited. In addition, it is recommended that patients live to avoid smoking, drinking alcohol, avoid spicy and stimulating food. If there is no significant improvement in symptoms after taking oral medication, it is recommended to go to the hospital in time.