Diabetes mellitus type 2 is a rapidly increasing disease worldwide. The disease is connected to lifestyle. Making lifestyle changes is hard. When suffering from Diabetes mellitus type 2 it is necessary to live healthy to prevent secondary diseases. Lifestyle changes includes for example changing dietary habits, become psychically active or losing weight. The aim of this study was to gain knowledge about different perspectives of lifestyle changes from both patients and nurses. This qualitative study was conducted as a literature study through analysis of relevant scientific articles. The results show that both patients and nurses experience difficulties managing lifestyle changes. Social support is important for the patient to succeed in making a change. It is important that there is a mutual interaction between the patient and the nurse for the patient to succeed to make a lifestyle change. This literature study shows that there is a need for more knowledge about preventing and managing this disease from a caring perspective. The nurse play an important role in the treatment of patients suffering from diabetes mellitus type 2. It is therefore important that the nurse has the knowledge needed to motivate and support patients to make a lifestyle change.