Heartburn is usually caused by peptic ulcer, gastritis and other diseases, you can take ranitidine capsules, aluminum phosphate gel, amoxicillin and other drugs under the guidance of the doctor. 1. Peptic ulcer: patients with peptic ulcer have damage to the gastric mucosa, and gastric acid can irritate the gastric mucosa leading to heartburn. This disease is characterized by periodic and rhythmic epigastric pain with symptoms such as heartburn and acid reflux. Drugs that inhibit gastric acid secretion, such as ranitidine, and drugs that protect the gastric mucosa, such as aluminum phosphate gel, can be taken orally. 2. Gastritis: Gastritis is related to long-term irregular living habits and eating habits. It can be manifested as burping, nausea, vomiting, acid reflux, heartburn and other symptoms. If the above lesions are accompanied by Helicobacter pylori infection, oral amoxicillin capsules, clarithromycin, omeprazole, bismuth pectin and other medications are needed for eradication treatment. It is recommended that patients with heartburn should seek timely medical attention, standardize treatment under the guidance of a doctor, and take medication as prescribed.