Heart failure, known as heart failure, is a series of life-threatening clinical syndromes caused by abnormal heart structure and function and decreased myocardial contractility, resulting in decreased cardiac blood output and inadequate perfusion of organs and tissues, which can be clearly diagnosed based on symptoms and ancillary tests. 1. Judgment of indicators of heart failure 1. Judgment according to clinical symptoms Patients with heart failure may present with clinical symptoms of heart failure such as hepatosplenomegaly, peritoneal effusion, bilateral lower limb edema, coughing pink frothy sputum, seated breathing, inability to lie down, decreased activity tolerance, general weakness, jugular venous filling or anger, abdominal distension, etc.; 2. Judgment according to auxiliary examinations Serological and laboratory examinations are the main ones, such as serological tests can show BNP is continuously elevated. Lung stasis can be seen on chest X-ray. The heart ultrasound examination can reveal the weakening of the heart’s motility and reduced ejection fraction, and these indicators can determine heart failure. The treatment of heart failure is divided into acute heart failure and chronic heart failure, and the treatment methods are as follows: 1, acute heart failure: oxygen via mask or nasal catheter, as well as the administration of morphine, tab diuretics, cardiac stimulants and other treatment, the condition is still not relieved should be selected according to the systolic pressure and pulmonary stasis status application of vasoactive drugs, such as positive inotropic drugs, vasodilators and vasoconstrictors; 2, chronic heart failure: control Hypertension, diabetes and other risk factors, the use of β-blockers, angiotensin-converting enzyme inhibitors can reverse remodeling, the use of antiplatelet drugs and statin lipid-regulating drugs for secondary prevention of coronary heart disease. Eliminate heart failure triggers, control infection, treat arrhythmia, correct anemia and electrolyte disorders, etc. Third, the precautions for heart failure 1, patients should take a high pillow position to sleep, the heavier patients take a semi-recumbent or sitting position; 2, limit physical activity, heart failure patients with heavy bed rest; 3, quit smoking, quit drinking, maintain a balanced state of mind, avoid colds, but also to ensure adequate sleep; 4, a small number of meals, low salt diet, salt should not exceed 5 grams per day; 5, according to medical advice to take drugs, do not stop or Do not stop or reduce the dosage.