Elderly population is increasing due to demographic shift in favor of geriatric population. This age group is susceptible for many health problems. So this cross-sectional study was carried out from September 2009 to August 2010 on 1620 elderly residing in Municipal corporation area of Jaipur city with the aim to study episodes of acute illness and its associating factors. Study population consist of 1620 elderly with M:F ratio 0.95. Mean age of elderly was 66.08 years with slight female predominance i.e. 1048 females for 1000 males in Jaipur city. It can be concluded from this study that 44.37% of elderly had one or more episodes of acute illness in last one month. These numbers of episodes of acute illness in last one month was found more in males and in older age groups.