Itchy skin after breast cancer surgery may be a normal physiological phenomenon, or it may be caused by local dryness and wound inflammation. 1. Normal phenomenon: after breast cancer surgery, during the process of wound healing, patients may have itchy skin due to their sensitive nerves, which is a normal phenomenon and no need to worry. 2. Local dryness: after breast cancer surgery, if the patient lacks nursing care, local dryness may occur, and local dryness will lead to itchy skin. 3. Inflammation of wound: after breast cancer surgery, if the care is not proper, which causes inflammation of wound, it may cause itchy skin. At the same time, in addition, if the time after breast cancer surgery is long, itchy skin may also be the recurrence of breast cancer, skin eczema and other conditions. The symptoms of itchy skin after breast cancer surgery should also consider the skin damage caused by pressurized bandage, as well as the skin margin implantation metastasis and so on. It is recommended to consult a doctor in time and give reasonable treatment under the guidance of a professional doctor after a clear diagnosis.