Cerebral infarction patients bedridden elderly before death, the main manifestation of respiration, heartbeat changes, vital signs are not stable, there may be an aggravation of impaired consciousness, mainly because of the brain’s wakefulness center is affected, the patient will show varying degrees of impaired consciousness. If the patient is in a state of deep coma, accompanied by fixed eyes and dilated pupils, the patient’s life may be in danger at any time. In addition, changes in respiration and heartbeat will also occur. The brain is the command center for respiration and heartbeat, and both brain hernia and brainstem infarction will affect the centers for respiration and circulation, resulting in changes in respiration, circulation, and heartbeat until the patient appears to die. Therefore, when a patient experiences a slowed heartbeat, shallow pulse, decreased blood pressure, decreased heart rate, and unstable respiratory rhythm, the patient may experience death at any time.