Comatose patients are unable to swallow, so nasal feeding is usually chosen for feeding. Easy-to-digest fluids and high-energy foods should be chosen to ensure adequate and balanced nutritional intake. Nasogastric feeding should not be too much at one time to prevent indigestion, diarrhea and abdominal distension, etc. Each time should be 200~350ml/time, 3~4 times/day. Usually, you can choose enteral nutrition solution or homemade nutrition homogenization solution from the hospital. However, if you want to eat some food, you can choose rice, millet, yellow rice and other staple food made into fluid, and you should also eat food rich in vitamins, minerals and trace elements, such as vegetable juice, fruit juice and so on. In addition, according to the condition of the appropriate supplementation of milk, soy milk and other foods rich in protein. It is recommended that comatose patients according to the condition of the physician under the guidance of nasal nutrition, such as choking, respiratory difficulties, diarrhea and bloating, such as timely hospital medical care.