On the basis of first aid for carbon monoxide poisoning, if you can eat, you need to pay attention to avoiding the intake of indigestible food. The gastrointestinal function of carbon monoxide poisoning patients is relatively weak. If they can eat, it is recommended to avoid spicy and irritating foods, so as not to stimulate the gastrointestinal tract and cause ulcers and other serious discomforts; in addition, greasy and alcoholic foods should be avoided. High-calorie, high-protein, easy-to-digest semi-liquid diet or soft diet can be given, according to the planned amount of food to be restored to the gastrointestinal function, can be given to the general food and the appropriate amount of fruits and fresh vegetables, coma should be careful to ensure that the necessary amount of life-sustaining intake, give nasal feeding high-calorie, high-vitamin fluid diet. If carbon monoxide poisoning occurs, it is recommended to go to the emergency department of the hospital in time.