Interventional treatments for esophageal stenosis include balloon angioplasty and stent placement. When the diameter of esophageal lumen is less than 12mm, patients may have difficulty in eating, resulting in malnutrition and even life-threatening. Interventional treatments for esophageal stenosis include balloon angioplasty and stent placement. 1. Balloon angioplasty: clinically, it is suitable for esophageal stenosis caused by benign lesions, stenosis after trauma or foreign body injury, scarring stenosis, esophageal extrinsic compression stenosis, pre-stenting of malignant tumors, cardia dystrophy and so on. 2. Stent placement: it is suitable for esophageal cancer that cannot be surgically resected and accompanied by serious dysphagia, esophageal cancer complicating esophageal tracheal fistula, recurrence of anastomotic tumor after esophageal cancer surgery, anastomotic stenosis or fistula, stenosis after esophageal cancer radiotherapy, metastatic tumors, etc., which involve esophagus and lead to serious obstruction. If dysphagia occurs, one should seek medical treatment in time under the guidance of professional physicians, and should not treat it blindly on one’s own, which may cause adverse consequences.