Breast cancer is one of the most common public health problems around the world, both in developing and in developed countries. The third most common cancer in women is on the first place in terms of incidence and mortality. The treatment involves an entire multidisciplinary team consisting of surgeons, endocrinologists, oncologists, gynecologists, geneticists, pathologists, biochemists, physicians in the field of nuclear medicine and specialists in radiation physics. Research in the field of cancer show that a third of all cancers can be prevented by implementing measures of primary prevention. Regular medical examination, self examination and orderly lifestyle considerably increase the chances for early detection of breast cancer, as well as a cure. Nurse through all its segments of action significantly affecting the early detection of breast cancer, a successful health care and rehabilitation through interventions implemented, ensuring her immediate physical and emotional help with motivation, social support and education. In the process of treating the patient becomes an equal member of the health care team in providing health care. Doctor and nurse with patient agreed and health care planners. This kind of care reassuring and patient safety. The satisfaction of our patients is the greatest measure of our success.