A tooth with a rotting hole that hurts too much at night can be treated with pulpotomy in an emergency dental clinic. Tooth rot a hole at night pain can not stand because of acute pulpitis caused. It can be manifested as night pain, spontaneous pain, hot and cold stimulation pain and other symptoms. Because acute pulpitis pain is intense, so you can go to the emergency department of the dental hospital to open pulp treatment, the pain can be greatly relieved. When the teeth found holes in time to the dental hospital for treatment, if the hole is relatively shallow, you can directly remove all the decay directly after resin filling, the teeth can still be used normally. However, if the hole is too deep and causes pulpitis, root canal treatment is needed after crown repair. If caries develops further, the tooth will need to be extracted. Therefore, it is recommended that patients regularly go to the stomatology department of regular hospitals for oral examination, so that early prevention, early diagnosis and early treatment can be achieved.