Increase of life expectancy and decreasing the rate of fertility have increased the number of elderlies worldwide and it has turned ageing population into one of the most important challenges of public health in recent years. Thus this study is aimed to survey and compare the quality of life of elderlies either inflicted or not-inflected to the chronic diseases. Materials and Methods: This is an analyticaldescriptive and cross-sectional study. 424 elderlies having 60 or over 60-year-old, who were members of ageing center of health centers affiliated to municipalities of east areas of Tehran, were selected randomly. SF36 quality of life standard questionnaire was used for data collection and it was filled out by participants through face-to-face interviews. After having data entered into the SPSS software, ANOVA, T-test and Spearman and Pearson correlation coefficients were used for data analysis. Results: The mean age for studied elderlies was 67.34±7.16 years. 63.7 percent of participants were females and remained (36.3%) were males. Also, 92.25% of elderlies suffered from a chronic disease. Finally, there was statistically a significant difference between average scores of quality of life dimensions for those either inflicted or not-inflicted to chronic diseases (p<0.001). Conclusion: According to the findings, people need to change their habits and health behaviors in order to prevent from diseases or improve their health. Interventional plans and appropriate education can encourage elderlies to have health behaviors and, as a result, promote their health.
