Abstract:It?is?an?very?important?and?actual?thing?to?State?Grid?corporation?to?make an analysis of importance and?a?comprehensive?rank?in?terms?of?the?different?influences?of?disruptive?innovation?technology.?Firstly,?this?paper?builds?an?index?system?of?disruptive?innovation?technology?that?may?have?affect?to?State?Grid?corporation?.At?the?same?time,?Delphi?method?is?used?to?make?a?survey?analysis?to?those?disruptive?innovation?technologies,?and?obtain?experts’?initiative、authoritative?and?the?variation?coefficient,?further,?calculate?the?index?weight?by?Delphi?expert?scoring?method.??Then,?based?on?DEMATEL?method?and?expert,?analysis?and?study?the?relationship?of?various?indicators?and?these?indicators?which?may?influence?State?Grid?corporation,?and?by?study?analysis,?we?can?get?influence?degree、affected?degree、centralize?degree、cause?degree?and?combined?effects?degree, by means of analyzing the importance degree of each indicator ?factors to provide?a?references?for?State?Grid?corporation?to?deal?with?disruptive?innovations.