Hiccups are common in the elderly who are dying for the following reasons: First, when the elderly are terminally ill, they may have intrapulmonary or pleural infections and combined effusions, which can stimulate diaphragm spasm and cause intermittent hiccups. Second, the elderly usually have carbon dioxide retention or too little carbon dioxide in their lungs, which can cause discomfort in the contraction of the diaphragm and can cause hiccups. Third, in the end-stage elderly, there will be infection in the abdominal cavity or corresponding symptoms of intestinal obstruction, which will stimulate the diaphragm and lead to compulsory contraction of the diaphragm, and the patient will show intermittent hiccups and even symptoms of dyspnea and precordial discomfort. If you are in the hospital, you can seek treatment from the attending physician with appropriate medications to relieve the discomfort of the elderly, and you can also be given oxygen by mask to relieve the hiccups.