There are several possibilities for esophageal pain when swallowing something, as follows: 1. In the case of a foreign body in the esophagus, there will be pain in the esophagus when swallowing. 2. There are also patients with esophagitis or gastroesophageal reflux caused by acid reflux, which can also cause esophageal pain when swallowing something. 3. In addition to the possibility of ulcers, ulcers in the hypopharynx, pear-shaped fossa or posterior cricoid area, or esophagus, can also cause esophageal pain when swallowing something. 4. There are also more rare causes of tumors, such as hypopharyngeal cancer, tumors in the upper esophagus or hypopharyngeal cancer extending to the entrance of the esophagus, resulting in swallowing disorders, pain in the esophagus when swallowing or blood in the sputum, and other symptoms. Symptoms alone cannot diagnose the cause of the tumor, and it is necessary to go to the hospital for relevant tests to confirm the diagnosis.