The advantages of esophageal stent are reflected in relieving patients’ difficulty in eating and restoring the esophageal passage, while the disadvantages are reflected in the possibility of bleeding, pain, and the occurrence of side effects. 1. Advantages: Esophageal stent can relieve the patients’ inability to eat and can restore the esophageal passage, so that the patients can eat fluids, semi-fluids or ordinary food, which can improve the quality of life and prolong the life. 2. Disadvantages: esophageal stent may compress the esophagus when it is put into the esophagus, and the patient may have obvious foreign body sensation or even pain in the chest after the esophageal stent is put in, and the higher the part is, the more obvious the pain symptom is; there may also be a side reaction after the esophageal stent is put in, and the stent may stimulate the mucous membrane, which may lead to damage and other situations. Esophageal stent has the above advantages and disadvantages, due to the same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different, should be standardized under the guidance of the doctor.