Venous ulcer is consequence of inadequate treatment of chronic venous disease. Chronic ulcers are those sores that cannot be healed even after the administered treatment and therefore are in pathological state of chronic inflammation. The results of such inflammation include delayed healing, poor anatomic and functional outcome that leads towards higher of disability. Therefore the cost of such a treatment is substantial. During venous ulcer treatment, extremely important is to treat a patient as a whole; besides treating the wound itself, the cause of wound formation should be treated as well. In this case it is chronic venous disease. The best way to treat chronic venous disease is, among other treatment, an adequate compressive therapy. In this paper, chronic venous disease is defined, the causes are explained, the course of the disease and the clinical picture are described, methods of treatment of chronic venous disease are developed, chronic wounds are defined and the clinical picture is described. Also described are dressings used to treat venous ulcers, and types of compression therapy. The methods of placement and the role of the nurse in the education and placement of compression therapy are explained.