Diabetes is a chronic illness that currently has no cure. Quality of life can be improved by the person’s own adherence to treatment and motivation to manage their diabetes. Both of these factors are difficult maintain and access to patient education materials is limited. This study developed an Internet-based disease management program for people with diabetes. This diabetes disease management program followed the PRECEDE health program planning model. Focus groups and key informant interviews people with diabetes were run in order to obtain feedback for this program. Cognitive-behavioral and health behavior change theory were integrated in to the program to increase self-efficacy and treatment adherence