Back pain when swallowing may be caused by gastritis, esophagitis, acute pharyngitis, peptic ulcer and other reasons, the specific causes need to go to the hospital to determine the examination. 1. Gastritis: Gastritis is mostly caused by the infection of Helicobacter pylori, abnormal autoimmune function, stress and other factors, the main symptoms are epigastric pain, fullness, black feces, loss of appetite, acid reflux, etc. The pain of gastritis can be radiated to the back, and the pain will be aggravated when swallowing. 2. Esophagitis: Esophagitis is mostly caused by weakening of anti-reflux barrier, long-term alcohol consumption, drug stimulation, etc. The main symptoms are acid reflux, heartburn, chest pain, swallowing pain, dysphagia, etc. 3. Acute pharyngitis: Acute pharyngitis is mostly caused by bacterial infection, contact with allergens, bad habits, etc. Patients will experience symptoms such as pharyngeal dryness, pharyngeal pain, etc., which will be aggravated by swallowing, and some of the patients may also be accompanied by symptoms of back pain. 4. Peptic ulcer: peptic ulcer is mostly caused by excessive secretion of gastric acid, diet and other factors, and the patient’s pain is mostly in the upper abdomen, and if the ulcer appears in the back wall, it can radiate to the back. If you have back pain when swallowing, you should go to the hospital in time, and follow the doctor’s instructions for treatment after diagnosis.