The self-monitoring of capillary blood glucose is part of the package of interventions in diabetes mellitus and an effective therapeutic strategy for the adequate control of the disease; and the continuing education of people with DM is recognized as one of the goals to delay the complications arising from chronic disease and alleviate the symptoms of hypoglycemia and hyperglycemia.

This study aims to evaluate the effects of educational intervention on self-monitoring of capillary blood glucose in metabolic control, knowledge and attitude in two groups of patients with diabetes mellitus: a group of diabetic patients who participate in the Self-Monitoring of Capillary Blood Glucose at Home Program and receive educational interventions (Intervention Group - G1) and a group of diabetic patients who participle in the Self-Monitoring of Capillary Blood Glucose at Home Program and receive conventional treatment (Control Group - G2). As an educational tool in diabetes will be used Conversation Maps which is considered an interactive program of diabetes education.

Inclusion Criteria:

• Ages 18 Years and older;
• Diagnosis of type 1 and 2 diabetes mellitus;
• In follow-up in the Self-Monitoring of Capillary Blood Glucose at Home Program;
• Have cognitive conditions that enable participation (minimum ability of users to understand issues of data collection instruments, observation of the researcher and/or of the caregivers).

Exclusion Criteria:

• Patients with gestational DM;
• Patients with DM who are not located;
• Those who die in the proposed period for the research;
• Those who dropout the Self-Monitoring of Capillary Blood Glucose at Home Program;
• Those who report difficulties to participate of the study due to work and those with amaurosis;
• Used Conversation Maps as an educational tool.