Chronic heart failure is also relatively common in clinical practice. The treatment of heart failure mainly includes preventing and delaying the onset of heart failure, alleviating the symptoms of clinical heart failure patients, improving the long-term prognosis of patients, and reducing mortality. These are the treatment principles for heart failure. After the occurrence of heart failure, its treatment mainly includes the treatment of the basic etiology, as well as the elimination of various precipitating factors, such as infections, etc. The pharmacological treatment mainly includes several aspects: first, the use of diuretics; second, the use of renin, angiotensin, and aldosterone system inhibitors; third, the use of receptor blockers; and fourth, the correct use of positive inotropic drugs, etc. Heart failure can alleviate the clinical symptoms of patients through pharmacological treatments.