Background and Objective:The healing and quality of life of CABG patients might be impacted by changes in lifestyle. Therefore, this study aims to the impact of a health-related education program on the nutritional needs and quality of life following coronary artery bypass surgery at Surgical Specialty Hospital-Erbil Cardiac Center. Patients and Methods: This study is a quesi-experimental conducted between 2021 and 2023. The samples were divided into two groups by random allocation, each group of 100 people. Data collection was based on a researcher-made questionnaire including demographic section and SF-36 questionnaire. The intervention consisted of 6 sessions, which included 2 sessions of general training for patients, and 4 sessions of training including physiological aspects, self-concept, Reciprocal relations and the fulfillment of obligations. Results: When the intervention program was implemented, the health-related quality of life in the intervention group improved in comparison to the control group in terms of vitality, pain, overall health, physical role function, emotional role functioning, and mental health (P<0.05). The educational program's impact on participants' nutritional status revealed a shift in the intake of unhealthy meals and an increase in the consumption of nutritious foods (P<0.05). Conclusions: This study demonstrated the beneficial effects of the health education program on patients who had had coronary artery bypass grafts (CABG) in terms of quality of life and diet quality.