What are the causes and management of the many fatty liver observed in patients after chemotherapy and endocrine therapy for breast cancer? Fatty liver is a result of lifestyle during chemotherapy, not an obvious effect of that kind of drugs (it is not excluded that drugs may cause it, but this is not important). Most patients during chemotherapy are weak, palpitations, shortness of breath, weak legs, fatigue, sweating, love to eat and do not like to move, I think this is the cause of fatty liver formation. Treatment: 1, comprehensive management, diet guidance lifestyle know, so that palpitations, shortness of breath, leg weakness, weakness, false sweating symptoms relief, Chinese medicine is very effective. 2, the most important in the management of cardiorespiratory function is aerobic exercise, aerobic exercise consumption, help the management of fatty liver, especially after dinner exercise, avoid watching TV. 3. Patients are instructed to eat more fruits and green leafy vegetables. Soluble crude fiber can reduce fat absorption and block the hepatic and intestinal circulation of cholesterol, thus lowering blood lipids – this is the content of blood sugar and lipid management. The whole management of breast cancer is intertwined, especially for the comprehensive management of the body beyond tumor control, which takes more effort than chemotherapy. It tests the patience and experience of doctors and requires the cooperation of patients.