Exemestane tablets and chaste astragali Fuzheng tablets have no mutual contraindications, can be taken together, for breast cancer for a long time to play an auxiliary treatment. But taking the above drugs to treat related diseases, need to be taken under the guidance of a doctor, do not blindly take, aggravate the condition. Exemestane tablets are used for advanced breast cancer in natural or artificial postmenopausal women whose disease has progressed after treatment with tamoxifen. Its adverse reactions include facial flushing, nausea, fatigue, increased sweating, dizziness, insomnia, rash, abdominal pain, anorexia, etc.; it is contraindicated for those who are allergic to the drug or any of the excipient ingredients, premenopausal women, pregnant or breastfeeding women. Chasteberry and Astragalus Fuzheng Tablets, composed of chasteberry and astragalus. It has the function of improving human immunity, protecting bone marrow and adrenal cortex. It is used for deficiency caused by various diseases; with surgery, radiation, and promoting the recovery of function.