For the treatment of heart failure in the elderly, the following major classes of drugs are available: 1. Choose cardiac drugs, such as digoxin, etc. 2. Diuretics, such as hydrochlorothiazide, spironolactone, and amphotericin, etc. However, it is recommended to supplement potassium ions when taking diuretics and to monitor blood potassium regularly to prevent hypokalemia. 3. Take ACEI drugs, which are angiotensin receptor converting enzyme inhibitors, which have the effect of preventing ventricular remodeling. 4, can also take beta-blockers, such as metoprolol tartrate, metoprolol succinate and other drugs, have the effect of preventing sudden cardiac death. If the elderly heart failure can be performed at home oxygen therapy, is also conducive to the treatment of heart failure.