Background and Purpose:Diabetes is a chronic disease, and one of the most important issues in the care of chronic patients is their quality of life. Diabetic patients face many problems, but the question is, how are patients' quality of life?Method:This study was a quasi-experimental study. The statistical population included patients with type 2 diabetes referred to Imam Khomeini Hospital clinic. The sample size was determined on the basis of the pilot study on 10 people and using the formula for comparing the means, with a confidence coefficient of 95% and a test power of 80, was determined to be 30. Random sampling method was used for sampling. Demographic information questionnaire including patient information and quality of life questionnaire (DQOL) were used to collect data. This questionnaire has 15 questions and aims to assess the quality of life of type 1 and type 2 diabetic patients. After collecting the data, the questionnaires will be encrypted and logged into the computer, and after ensuring the accuracy of the data entered, SPSS software (version 21) will be used to analyze the data. In this study, descriptive statistical methods will be used to examine the results. Descriptive statistics including mean, standard deviation, absolute and relative frequency distribution will be used. In statistical tests, 95% confidence interval (p <0.5) is considered.Results:Based on the results of satisfaction, knowledge and knowledge about diabetes mellitus after intervention was significantly increased before the intervention and t-test also showed a significant difference (p <0.001). Also, in other sections, marital satisfaction, satisfaction with sleep, satisfaction for measuring blood glucose and self-care after intervention were increased before intervention, and t test also showed a significant difference in this regard (05 / 0> p). Also, the quality of life after intervention was significantly higher than before intervention, and t-test also showed a significant difference (p <0.001).Conclusion:In fact, changes in the quality of life dimensions are affected by individual, social and economic factors, and it can be concluded that measuring quality of life along with social-demographic characteristics provides comprehensive information for chronic patients, which can ultimately be used for program information. The therapeutic treatment of chronic patients and the improvement of their quality of life.