There is no clear distinction between major and minor heart failure, but usually class I heart failure symptoms are the mildest and class IV is the most severe, and patients are often repeatedly hospitalized for long periods of time. Class I heart failure often has no obvious symptoms, and the patient’s daily activities are not limited; Class II heart failure in general activities such as chest tightness, shortness of breath and other symptoms, but at rest usually no obvious performance; Class III patients with physical activity is significantly limited, only mild activity can appear heart failure symptoms; Class IV patients can only be lying down to rest, and resting state can also exist in the symptoms of heart failure. If heart failure acute attack or acute exacerbation of chronic heart failure, often need to be immediately sent to the hospital to relieve the patient’s hypoxia and dyspnea and other symptoms, under the guidance of the physician to use related drugs such as furosemide and other diuretics, identify the cause of the disease and for the cause of the treatment, so as not to delay the condition. For patients with chronic heart failure in a stable condition, anti-heart failure drugs such as metoprolol and valsartan can be used at home as prescribed by the doctor, and the causes of heart failure such as coronary artery disease and heart valve disease need to be standardized under the guidance of a physician to slow down the progression of heart failure and improve the prognosis. If symptoms of heart failure occur, it is recommended to pay great attention to timely medical treatment, under the guidance of physicians to carry out the next examination and take standardized treatment.