The clinical manifestation of coma is the loss of the wakefulness-sleep cycle, and the patient is in a continuous deep sleep and cannot wake up. The patient’s perception, attention, thinking, emotion, orientation, judgment, memory and many other mental activities are all lost. The patient does not understand himself or the external environment and does not respond to external stimuli. The patient is unable to perform simple commands. When given a strong painful stimulus, there is no conscious response except for sometimes painful expressions or moans. Dietary attention: 1. Foods that nourish Yin and moisten the lungs are recommended; 2. Foods that nourish the lungs with nutrients are recommended; 3. Easy-to-digest or semi-liquid foods with high calories, high vitamins and high protein are recommended; 4. Foods that are light, liquid and fluffy are recommended; 5. Foods rich in calcium and iron are recommended. Oats contain carbohydrates, protein (containing all the essential amino acids), fat and a large amount of plant fiber, vitamin B1 and vitamin B12, a small amount of vitamin E, minerals, riboflavin and saponin. Oatmeal: ready-to-eat type cooked in boiling water or with milk. Zucchini: Zucchini has the function of clearing heat and diuretic, removing annoyance and thirst, moistening the lungs and relieving cough, reducing swelling and dissipating knots. It should not be overcooked when cooking to avoid nutritional loss. Mutton: Mutton is rich in protein. Put the radish cubes and lamb into the pot together, remove the radish cubes after half an hour, if you put a few pieces of orange peel is better.