Right heart failure in the elderly is preceded by ascites and jaundice due to cirrhosis of the liver; left heart failure is preceded by dyspnea due to pulmonary stasis. The heart is an important blood transport organ, with the left ventricle receiving blood from the lungs and the right ventricle receiving blood from the inferior vena cava. In heart failure, the heart’s pumping insufficiency leads to corresponding bruising and edema. 1. The most important manifestations of right heart failure before death are ascites due to severe cirrhosis, further swelling and jaundice of the lower limbs, and poor appetite due to stagnation of the digestive tract. 2. Left heart failure before death is mainly the bruising of the lungs, manifested as dyspnea, shortness of breath, can not lie down, coughing pink foamy sputum, the patient showed sitting breathing. If there are related symptoms, it is recommended to actively seek medical treatment.