INTACT CANAL WALL TYMPANOPLASTY WITH MASTOIDECTOMY has been undergone from 1968 to July 1972 and had reported its surgical method, audiological evaluation and complication on 269 cases in 1972. In attempt to avoid complication, such as tenting, adhesion and canal narrowing in previous experiences. A new method of operation was initiated since late of 1972 and this paper is dealing with the microsurgical finding, audiological evaluation and complication on the cases done during the period.