There are also mild, moderate, and severe forms of charcoal poisoning. Mildly experiencing dizziness can be relieved by opening windows and breathing fresh air outdoors. If there is a severe coma, nausea, vomiting and bad breathing, it is necessary to immediately send to the hospital for rescue. Some rural areas use charcoal fires in winter, and charcoal poisoning is easy to occur in a sealed room. Charcoal poisoning is mainly carbon monoxide poisoning, sealed room inside the long-term burning charcoal fire, oxygen consumption increases, so that the room oxygen reduction, carbon monoxide increase, carbon monoxide inhalation after the human body will be poisoned.