Signs of impending death in the elderly are difficult to explain clearly in a single sentence or concept, but the elderly generally show signs of multiple organ insufficiency before death. These clinical manifestations, mainly show the following aspects: 1, respiratory failure, dyspnea, carbon dioxide retention, oxygen partial pressure drop; 2, renal failure such as oliguria or anuria, appearing creatinine urea nitrogen level increase; 3, liver failure such as jaundice, transaminase elevation, anorexia oil, etc.; 4, heart failure, the patient appears sitting breathing, generalized swelling, accelerated heart rate, shock, shock is blood pressure One or more of these may occur at the same time, and are often signs of death in the elderly.