Generally HER-2 positive breast cancer patients can undergo targeted therapy. Breast cancer is a malignant tumor disease that seriously endangers the health of individuals, and the treatment methods mainly include surgery, radiotherapy, endocrine therapy, targeted drug therapy and immunotherapy. Before using targeted drugs, relevant tests should be conducted, and if there is HER2 positive, then targeted therapy can be used, and commonly used drugs include trastuzumab, lapatinib, pyrrolitinib and so on. Anti-angiogenic drugs such as bevacizumab can also be used. It is recommended that patients listen to the guidance of professional physicians to implement the appropriate treatment plan according to their actual conditions, and actively treat the disease to avoid delays.