Once a diabetic patient suffers from heart failure, it will have a certain impact on the survival period, but how long he/she lives depends on the control of heart failure and the control of blood glucose, if the heart failure and the control of blood glucose are good, the impact on the life expectancy will be minimized. 1. Control of heart failure: the occurrence of heart failure and diabetes, hypertension, coronary atherosclerotic heart disease are considered to have a certain relationship, found that heart failure, the need for reasonable use of angiotensin-converting enzyme inhibitors under the guidance of a doctor, diuretics and other drugs to carry out treatment. Patients with good control of blood pressure, blood glucose and blood lipids will have a longer survival period. 2. Blood glucose control: Considering that heart failure is related to long-term poor control of blood glucose level, which leads to atherosclerosis and accelerates heart failure, controlling blood glucose level is still the fundamental part of the treatment. This situation needs to use dagliflozin, engeletin and other drugs under the guidance of a doctor, which have a certain therapeutic effect on heart failure and can also reduce blood sugar levels. Note that elderly women are prone to urinary tract infections, drink plenty of water when using this type of drug, and do not choose patients with severe kidney failure. For heart failure caused by diabetes, it is necessary to consult the endocrinology department and cardiovascular department of regular hospitals.