Anastomotic cicatricial stenosis after resection of esophageal cancer were treated by self- making electric knife through endoscipe.Fifty two cases were located in upper segment while 37 cases in middle-lowere part.Anastomotic diameter of 40 cases were less than 2.0mm,17 cases less than 3.0mm. Sixteen cases more than 3.0mm. Anastomotic stoma were incarcerated by food in 16 cases.The operatic procedure:First,the cicatricial stenosis was resected and became"*"shape by electric knife,then dilated by baloon catheter and by endoscope.sitytwo cases of stenosis were unobstrated(can swallow solid food)after one time treatment ; 11 cases each needed 2 and 3 times;1 case each needed 4 , 5 , 12 , 43and 81 times ,respec- tively. The last 2 cases were treated repeatly every 1- 3 months. The authors think that this procedure is ef- fective and safe. The technique is mastered easily and could be wildely used.