The diameter of the subglottis cavity is 5.5 to 6 mm in normal infants and children. The subglottis cavity is narrow and obstructed due to abnormal development. It is an acute inflammation of the laryngeal mucosa that causes excessive fatigue of the vocal folds or frequent mispronunciation. In the early stage, it is absolutely forbidden to eat and drink; in the recovery period, it is advisable to eat a liquid diet; it is advisable to eat soft food without spicy stimulation; it is forbidden to eat food that is dry and not suitable for swallowing; it is forbidden to eat raw and hard food; it is forbidden to eat spicy and stimulating food. Here are a few nutritional dietary treatments for you. 1, almond snow pear soup 10 grams of almonds, snow pear 1 cut, 30 grams of rock sugar. Put together in a bowl, add a little water, put the steamer steam for about 1 hour, eat the pear and drink soup, once a day. 2, duck egg mint soup duck egg 1-2, fresh mint 30 grams, salt, monosodium glutamate appropriate amount. Add an appropriate amount of water to the pot, boil and then beat the duck egg, cook until half-cooked, add mint, salt and MSG, boil for a moment to eat the egg and drink soup. Take 1 dose daily for 5-7 days. 3, loofah flower honey fresh loofah flowers, honey 20 grams each. Wash the loofah and tear into small pieces, put it into a tea cup with a lid, add an appropriate amount of boiling water, brew, bored for 15 minutes, add honey and stir well and drink frequently while hot, 1-2 doses a day. 4, mulberry chrysanthemum almond drink mulberry leaves, chrysanthemum, almonds 10 grams each, the appropriate amount of rock sugar. Crush the almonds with mulberry leaves, chrysanthemum and rock sugar together in a thermos, add boiling water, stew for 15 minutes and then drink frequently as tea, 1 dose daily. 5, silver fungus ginseng egg drink First of all, silver fungus, northern ginseng ready, and then decocted in water, remove the dregs to leave the liquid, and then in the liquid into the eggs, boiled, add the appropriate amount of rock sugar dissolved after you can take the pot. 6, Luo Han Guo Li Mei decoction will snow pear, Luo Han Guo and Gang Mei ready, and then decoction with water, eat a dose every day. 7, lily shellfish tea First of all, lily, shellfish powder a dose of sage prepared in equal amounts, and then brewed with boiling water, about five minutes after you can take directly.