The authors observed 41 cases of the tympanic membrane perforation with gelfoam patch, who visited the ENT clinic during March 1st, 1983 through February 28th, 1986. The results obtained were as followings : 1) The main symptoms were hearing loss(30 cases, 73.2%), tinnitus, ear fullness, otalgia, bloody otorrhea, and autophonia in that order. 2) The duration from tympanic membrane perforation to confirmation at OPD was usually within 5 days(27 cases, 65.8%). 3) The etiology of trauma were injuries by hand and fist(33 cases, 80.5%), cerumen spoon, accidental fall, volleyball, and explosive sound in that order. 4) With reference to the site of patched ear, there was similar distribution with both sides. In sex distribution, 23 cases(56.1%) were females. 5) The locations of tympanic membrane perforation were usually seen in the anteroinferior quadrant(18 cases, 43.9%), posteroinferior quadrant, posterosuperior quadrant, and anterosuperior quadrant in that order. 6) The peak incidence of age distribution was from 21 to 40 years of age. 7) Complete healings were noted in 35 cases(85.3%). 8) The time for the patched tympanic membrane perforation to healed was from 21 to 30 days in most cases(30 cases, 83.3%).