Background : 463 million people in the world have diabetes mellitus who will become 700 million in 2045. The high prevalence of diabetes mellitus is due to lifestyle factors such as lack of physical activity, unhealthy and excessive eating patterns, smoking, drinking alcohol and obesity. Diabetes mellitus is a chronic disease. If diabetes is not managed properly it can cause macrovascular and microvascular complications. The application of self-care is a preventive effort to reduce the risk of complications in people with diabetes mellitus so as to prevent morbidity and mortality. Forms of self-care include managing nutrition or diet, physical activity, compliance to take medication and monitoring blood glucose levels independently. The role of the family is important for diabetes mellitus self-care. Methods : This study uses a descriptive qualitative research design with a content analysis approach. Result : The results of the study based on interviews from 5 participants showed 2 themes that describe the role of the family in the self-care of patients with type II diabetes mellitus. The first theme is Helping Daily Activities consisting of 6 categories namely being ready, actively helping with eating patterns, reminding eating patterns, reminding taking medication, reminding increasing physical activity, and "playing a role as a housewife". The second theme is Reducing Burden of Disease which consists of 6 categories, namely getting closer to God, reducing stress, providing moral support, providing religious support, helping with medical expenses, and suggesting alternative treatments. Conclusion : The role of the family in the self-care of patients with type II DM can be in the form of helping daily activities and reducing the burden of the disease felt by patients. A good family role in the care of patients with type II DM can help reduce morbidity and mortality due to type II DM.