Something in the esophagus is related to foreign body obstruction, esophagitis, esophageal cancer and other diseases. First of all some people will eat some too hard food in their diet, and these foods will be stuck in pressure when passing through the esophagus. When foreign body exists in the esophagus area, patients will feel something exists in the esophagus, and these people need to undergo esophagoscopy and have the foreign body removed. Secondly, at the onset of esophagitis, due to edema and congestion of the esophageal mucosa, many patients will have the sensation of having a foreign body in the esophagus and will need to be treated with drugs that repair the esophageal mucosa and inhibit gastric acid secretion. Finally, some people feel something in the esophagus is caused by esophageal cancer, which is a malignant tumor, and the main symptoms are difficulty in swallowing and foreign body feeling in the esophagus, and these people can be diagnosed by gastroscopy and extracting some tissues. For patients who are diagnosed with esophageal cancer, they should be treated with surgery and radiotherapy as soon as possible to avoid threatening their health.