Medications for chronic heart failure include diuretics, RAAS inhibitors, beta receptor antagonists, and positive inotropic agents. The goal is to prevent and slow the progression of heart failure and relieve clinical symptoms. Diuretics are an important treatment to improve the symptoms of heart failure, and commonly used drugs include furosemide, hydrochlorothiazide, and spironolactone, which reduce the burden on the heart by controlling fluid retention. RAAS inhibitors can slow down the progression of heart failure and improve ventricular remodeling, commonly used drugs are captopril, valsartan and so on; β-receptor antagonists can reduce heart failure symptoms, improve prognosis, reduce mortality, commonly used drugs are metoprolol, bisoprolol, etc.; Positive inotropic drugs are suitable for patients with mild to moderate heart failure, which can improve the quality of life, improve exercise tolerance, commonly used drugs are digitalis drugs. It should be noted that heart failure patients often need to adjust the clinical use of drugs according to the condition, should be standardized under the guidance of physicians to avoid adverse consequences.