Patient education is a fundamental aspect of the management of foot ulcers in the patient with diabetes mellitus. Preventive measures have to be focused on the individual risk profile of the patient and on the chronology of appearance of symptoms. Teaching issues need to be adapted into the following three stages: A) before: prevention of foot ulceration in the at-risk patient; B) acute: prevention of extension of an existing ulcer; and C) after: prevention of recurrence.