This study was undertaken as peritonitis is one of the common surgical emergencies all over the world. However he mode of onset, etiological factors, morbidity and mortality will differ; depending upon available facilities for diagnosis, literacy status of the population, socio-economic status and religious notions., India is still developing country. The ignorance, illiteracy still persist all over the country which plays role in everyones life.The S.S.I.M.S & R.C, Davangere has got all kinds of cases of peritonitis presenting the sectional study of this country. All aspects of peritonitis have been considered in detail such as age and sex incidence, mode of onset, etiological factors, morbidity and mortality so as to fullfil all criteries of scientific study.

Key words: Peritonitis, Incidence