Carbon monoxide poisoning, first of all, the patient from the carbon monoxide poisoning environment, the patient will be placed in the ventilation, so that the patient to breathe fresh air, can make carbon monoxide as soon as possible out of the body, so as not to cause further carbon monoxide poisoning injury. Then send the patient to the hospital, the light can be sent directly to the hyperbaric oxygen chamber treatment, the heavy can be sent directly to the ICU ward for rescue treatment, to be given to the patient’s vital signs stabilized hyperbaric oxygen chamber treatment. Note that hyperbaric oxygen chamber treatment once a day for more than 2 hours each time for more than 30 days can prevent delayed encephalopathy caused by carbon monoxide poisoning.