Background: Diabetes has been increasingly prevalent around the world. It causes acute and chronic consequences that affect the physical, psychological, and overall quality of life. This study describes patients’ quality of life, which is necessary to improve diabetes care.

Objectives: To investigate the quality of life of diabetic patients in the comprehensive diabetic care clinic, Family Medicine outpatient unit, Faculty of Medicine Ramathibodi Hospital.

Methods: Survey the quality of life of diabetes patients receiving care from the comprehensive diabetes care clinic, Family Medicine outpatient unit, Faculty of Medicine Ramathibodi Hospital, from April 1, 2023, to July 31, 2023. Thirty-three cases were evaluated using the WHOQOL-BREF-THAI questionnaire.

Results: The overall quality of life in the sample group had an average total score of 103.18 (SD 11.11), and the majority (81.8%) had an excellent overall quality of life. Environmental and psychological health were determined at “good” levels (84.8% and 63.6%, respectively), while physical health and social relationships were determined at “moderate” levels (57.6% and 54.5%, respectively).

Conclusions: The quality of life of diabetes patients who received health care at the comprehensive diabetes care clinic was at a “good” level. Information obtained from the questionnaire could be used to evaluate the quality of holistic care further and guide how to improve diabetic patient’s quality of life.