The most common clinical manifestation of acute heart failure is severe dyspnea, hypoxia, and even changes in consciousness, which are very common in clinical practice. For treatment, morphine can be administered intravenously or subcutaneously to reduce patient agitation and relieve myocardial oxygen consumption. Secondly, plastic can be used for rapid intravenous push. Thirdly, vasodilators can be used, such as glyceryl trinitrate and sodium nitroprusside intravenous infusion. Fourthly, positive inotropic drugs can be used, such as dopamine and dobutamine. Additionally, cardiac glycosides, such as digoxin, can be used.