secondly, drink more boiled water. Drink enough water to meet the physiological and metabolic needs of children. Adequate water can help dilute sputum and facilitate coughing up. It is best to use boiled water. Never use various drinks instead of boiled water. Third, eat more fresh vegetables and fruits. It can supplement enough inorganic salts and vitamins, which is very beneficial to the recovery of cold and cough. Eating more fruits and vegetables containing carotene, such as tomatoes and carrots, and some foods rich in vitamin A are very helpful for restoring respiratory mucosa. Fourth, don't eat cold food, fat, sweet and thick, fishy shrimp and crab, oranges, too salty, peanuts, melon seeds, chocolate, edible supplements and so on. Steamed pear raw materials: 1 crystal pear, 2 grams of Fritillaria cirrhosa, 2 grams of dried tangerine peel, 1 grams of rock sugar and 15 grams of glutinous rice. Production: 1. Cut the pear from the lower 1/3 of the pedicle, cover it and dig out the pear core, grind Fritillaria cirrhosa into fine powder, shred the dried tangerine peel, steam the glutinous rice, and smash the crystal sugar into chips; 2. Put glutinous rice, rock sugar, Fritillaria Fritillaria powder and shredded dried tangerine peel into the crystal pear, and add clear water (about 15 ml of water) into the steaming cup; 3. Put the steaming cup of pears on strong fire and steam for 45 minutes. Nutrition secret: when upper respiratory tract infection, cough accompanied by bacterial infection, fever, expectoration, eating steamed pears is better. It can moisten the lungs and resolve phlegm, and its efficacy is doubled with Fritillaria cirrhosa and Pericarpium Citri Tangerinae. Adding some glutinous rice and rock sugar can also supplement the nutritional needs of anorexic babies. Hawthorn and autumn pear juice raw materials: 1 autumn pear, 1 hawthorn, and appropriate amount of sugar. Method: 1. Wash the hawthorn and put it in a bowl for use; 2. Peel, core and cut autumn pears into small pieces, squeeze them into juice with hawthorn and pour them into cups; 3. Put the white sugar into the juice of hawthorn and autumn pear, and mix well before drinking. Nutrition secret: If the baby's cough is dry, no phlegm, dry lips and tongue, and the breath is hot, pear juice can be taken in the morning and evening according to this method, which has the effect of moistening the throat and promoting fluid production. With hawthorn, on the one hand, hawthorn is rich in immune promoter-vitamin C, on the other hand, it contains acidic substances that can promote gastric juice secretion, digestion and neutralization, and enhance the baby's gastrointestinal function. Autumn pear milk soup raw materials: 1 autumn pear, 2 ml of milk, 1 g of rice flour, and appropriate amount of sugar. Method: 1. Peel, core and cut autumn pear into small pieces, add a little water to cook until soft, and season with white sugar; 2. Add warm milk and rice flour and mix well. Nutrition secret: the autumn pears cooked and eaten are peaceful, and the milk soup is less irritating to the baby's spleen and stomach. Suitable for babies with lung deficiency, asthma and cough.