SUMMARY The ample metabolic alterations induced by the diabetes mellitus do it one metabolic disease par excellence, whose effects at physiological level are progressively deteriorating the health of the individual that suffers it. Hiperglicemia is in fact the trigger of the complications associated with the diabetes mellitus, is by which the primary target of its treatment is to obtain in the patient sanguineous glucose levels near the normal ones. The objective of the present revision is expose the paper of the dietetic therapy and the exercise in the normalization of glicemia of the diabetic patients.