Historically, appendicitis in the elderly is associated with higher morbidity and mortality. This study included the clinical analysis of 105 cases of appendectomy elderly patients over 60 years of age about its incidence, clinical symptoms, signs, laboratory findings, incision method, operative finding, associated disease and postoperative complications, which were treated at department of genearl surgery in Hanil Hospital during 4 years from January, 1989 to December, 1992. W hole elderly appendicitis patients were 105 consisting 7.1% of all appen- dicitis was 60 to 64 with 38.1/. According to symptom and sign analysis, the most common symptom was rebound tenderness on right lower quadrant pain(83.3%), and the most common sign was rebound tenderness on right lower quadrant(92.40. According to postoperative path- ologic analysis, the most common type was acute suppurative appendicitis(49.5%), and the next was acute perforative appendicitis(28.6%). In the perforative appendicitis, the most com- mon culture organism was Escherichia coli(63.3%). The most common associated diseases were cardiovascular diseases(28.69o), and respiratory diseases(19.0%). The most common post- operative complications were atelectasis and pneumonia(12.4%). The mortality rate was zero. (Korean J Gastroenterol 1994; 26: 95 101)