Inadequate combustion of charcoal will release carbon monoxide, so charcoal poisoning is equivalent to acute carbon monoxide poisoning, the patient will experience neurological symptoms and changes, first of all, there will be confusion, dizziness, headache accompanied by nausea, violent vomiting, then the patient will appear vital signs are unstable or gradually unclear consciousness, or even loss of consciousness, severe cases will be accompanied by obvious convulsions, arrhythmia, palpitations, Chest tightness, shortness of breath, dyspnea. In addition, if the patient is not given timely treatment, there will also be a severe lack of oxygen and lead to brain cell function defects, and the patient will also have delayed encephalopathy and other poisoning, so the poisoning caused by insufficient charcoal burning must be treated immediately.