Background & Aim: Achieving to desire patients quality of life can result to programming for make use of strategies for prevention and control chronic complications of diabetes and promote quality of life.

Methods & Materials: This research is a descriptive and cross-sectional study. The purpose of this study was to assess the quality of life among 310 diabetic patients with chronic complications. The data were collected through interview. The tool of data collection was the questionnaire that consisted of two parts, demographic and disease charactristics, and questions about dimentions of Quality of life. Score were analyzed by descriptive and infrerntial methods (Chi square, Fisher exact test, and Pearson correlation coefficient).

Results: The findings of research showed that quality of life in majority of the subjects (71%) was moderate. The most percent of the health perception (68.3%), mental health (67.7%), Physical functioning (56.1%), and social/ role functioning (54.8%) of the quality of life were moderate. Also there was no relationship between the number of complications and Quality of life. Also there was a significant relationship between demographic variables [age (p=0.028), sex (p<0.001), BMI (p=0.024), grade (p<0.001)] and Quality of life.

Conclusion: According to the results of this study, quality of life in majority of patients with chronic complications of diabetes was moderate.