Megestrol Acetate tablets can be used in the palliative treatment of advanced breast cancer and endometrial cancer during chemotherapy, and can also improve appetite and cachexia in patients with advanced tumors. Medroxyprogesterone acetate is a highly effective synthetic progestin, which can improve appetite and cachexia due to malnutrition in patients with advanced tumors. It is also used as an adjuvant to chemotherapy in the palliative treatment of patients with advanced endometrial and breast cancer. Adverse effects of this product include weight gain, constipation, nausea, vomiting, hypertension, rash, pruritus, dyspnea, mild edema, etc. It is contraindicated in patients with known hypersensitivity to this product, patients with severe hepatic impairment, patients with thrombophlebitis and thrombosis. Drugs need to be used under the guidance of a doctor, not blindly, during the use of drugs need to closely monitor the adverse reactions, so as not to delay the condition.