Symptoms when a person is dying include digestive system symptoms, circulatory system symptoms, respiratory system symptoms, nervous system symptoms, and so on. It is recommended that you should not make any judgment on your own when you experience symptoms, but should consult a doctor in time to find out the cause of the disease and treat the symptoms. 1. Digestive system symptoms: Digestive system symptoms are the most obvious symptoms, people in the dying will have obvious symptoms of not being able to eat, some people will also have gastrointestinal bleeding. 2. Circulatory system: In the circulatory system, there will be obvious arrhythmia, arrhythmia, palpitation (rapid heartbeat, often accompanied by panic), chest tightness, shortness of breath, or the emergence of the state of heart failure, such as sitting breathing, apnea. 3. Respiratory system: obvious respiratory failure and dyspnea, will not be able to breathe, this time will appear deep breathing, jaw breathing or nodding breathing. 4. Nervous system: When a person is dying, he will be in a trance, stupor, lethargy, and cannot be awakened under strong stimulation, and may even lose consciousness. The appearance of the above symptoms should be timely medical care, not to be left unattended.