Numerous benign and malignant breast diseases can be surgically treated by breast surgeon. To become breast surgeon, general surgeon has to complete medical training in plastic surgery or surgical oncology. Some benign diseases are treated surgically, including congenital anomalies, abscesses, single duct nipple discharge and some benign tumours. Patients with stage I, II and III breast cancers are candidates for surgical therapy. Breast surgeries can be simple, such as incisions to treat abscesses or excisions used to remove some tumours, secreting lactiferous duct or some congenital anomalies. There are several types of breast cancer surgeries, including breast-conserving surgery and radical surgery. The type of the surgery depends on the stage of the cancer. Breast-conserving surgery refers to lumpectomy, quadrantectomy and segmentectomy, while radical methods refer to mastectomy. The third option, between breast-conserving surgery and mastectomy is oncoplastic surgery. More complex surgeries include breast reconstructions after mastectomies and aesthetic procedures to treat congenital anomalies. When it comes to breast surgery, it must be taken into account that breast is very important organ for a woman in physiological, psychological and physical aspect. It is very important for doctor and patient to decide on surgery together and to align the patient's wishes and expectations with the possibilities of today's breast surgery.