Objective: To report electrode array misplacement into the superior semicircular canal occurring as an rare complication of cochlear implantation, and to explore the causative association between electrode array misplacement and cochlear implantation surgical techniques.Methodology: A chart review of the electrode array misplacement into the superior semicircular canal and their management in 695 patients undergoing cochlear implantation was undertaken from January 2003 and January 2014 in Anhui Provincial Hospital.