Patients with acute heart failure have different survival rates due to their etiology, age, and other factors, and the 5-year mortality rate is as high as 60%. Acute heart failure is an acute clinical syndrome secondary to abnormal cardiac function leading to rapid onset or worsening of symptoms and signs of heart failure, accompanied by inadequate tissue and organ perfusion and cardiogenic shock, and is a common clinical emergency. It is a common clinical emergency, with sudden onset and rapid exacerbation, and can be life-threatening with a poor prognosis and a hospitalization mortality rate of about 3%. The hospitalization rate of acute heart failure is about 50% within 6 months, and the 5-year mortality rate is as high as 60%. It is recommended that patients with acute heart failure seek immediate medical attention when symptoms such as palpitations, chest tightness, and fainting occur, and the earlier medical attention is sought, the higher the survival rate of patients.