Objective:To study the clinical treatment for esophageal malignant stenosis or esophageal fistula with stent implantation under the supervision of gastroscope.Methods:Eighteen operation-intolerant patients with late esophageal cancer accompanied by stenosis or fistula were selected and administered nickel-titanium coil stent under the supervision of gastroscope.Results:The symptoms of dysphagia and esophageal fistula disappeared and the stent was setup properly.Conclusion:The technique of implanting the nickel-titanium coil stent is an effective palliative treatment for the late esophageal malignant stenosis or fistula.And it is simple and reliable to implant the esophageal stent under the supervision of gastroscope.