If breast cancer her2 positive does not recur within 5 years, it is generally equivalent to passing through the danger period, but it is necessary to review regularly to avoid the spread and recurrence of cancer cells. Breast cancer is a kind of malignant tumor that occurs in female breast, the early symptoms are breast swelling and pain, small lumps, etc. With the development of the disease may appear breast skin ulcers, and accompanied by bad smell and bleeding, breast cancer her2 positive is the immunohistochemistry results, her2 refers to the human epidermal growth factor receptor. For her2-positive breast cancer generally need to use targeted drugs for treatment, such as trastuzumab; then according to the tumor stage and pathological typing and postoperative immunohistochemistry typing for surgery, radiotherapy, chemotherapy and other comprehensive treatment, no recurrence within 5 years after surgery, generally equivalent to the passage of the danger period, but to be regularly rechecked. As this disease is highly specialized, you should go to regular hospitals in time to determine the specific treatment plan under the doctor’s guidance and actively cooperate with the treatment to avoid deterioration of the condition.