This is a scientific work and deals with the topic of chronic wounds and which are particularly common in patients with the disease diabetes mellitus. Chronic wounds are very difficult to handle for those affected people because they are very slow or do not heal at all. Therefore, the purpose of this work is to explain the disease diabetes mellitus more closely and which chronic wounds are often caused by this disease. In addition, the reader should be taught the right wound care and what kind of counseling possibilities are available for the patients. In addition, different life changes are described, which can occur in people with chronic wounds.