Foods rich in vitamins A and C and foods that clear and moisten the lungs, such as carrots, grapes, lilies, arrowheads, fried almonds, ginkgo, walnuts, asparagus, Siraitia grosvenorii, loquat, pears, fungus, soybean milk, honey, etc. \x0d\ Qingfei Toxin: The method is: cough hard in fresh outdoor air every morning, noon and before going to bed, which can play a certain detoxification role. \x0d\\x0d\ Also, you might as well drink Qingfei Decoction frequently to improve your immune function by nourishing lung qi. When eating, we must first understand the efficacy of food. For example, white radish is suitable for people with excessive phlegm and cough. Baizhu is suitable for patients with lung dryness and cough; Mung beans are suitable for people with strong internal fire; And water chestnut can clear away heat and produce fluid. At the same time, we should pay attention to avoid foods that are too spicy, salty and greasy. Here are some soups for clearing lung, moistening lung and nourishing lung. \x0d\ Qingfei Decoction: 1 two kinds, tremella, lotus seed and lily ribs soup. Ingredients: tremella 75g, lily100g, ribs 500g. Practice: Wash the above materials, add water, put them in a pot and cook for 3 hours. \x0d\2。 Mulberry skin and lily sparerib soup. Ingredients: 50 grams of mulberry bark, 75 grams of lily, 500 grams of ribs. Practice: clean the above materials, add water, and then put them in a pot to cook for 1.5 hours. \x0d\ Runfei Tremella Soup Ingredients: 5g tremella, 50g rock sugar. Practice: Put the tremella into a pot and soak it in warm water for 30 minutes. After the tremella is fully developed, remove the pedicle and impurities, tear the tremella into pieces, put it into a clean pot, add a proper amount of water, boil it with strong fire, then simmer it with slow fire for 1 hour, and then add rock sugar until the tremella is stewed. \x0d\ Ham and winter melon soup Ingredients: sliced ham and sliced winter melon. Ingredients: shredded onion, shredded ginger, shrimp skin, salt, sugar and sesame oil. Practice: Boil the water in the pot, put the wax gourd slices and ingredients in the pot and cook for 10 minute, then add the ham slices and take them out of the pot after 2 minutes. Add chopped green onion, sesame oil, salt and sugar before taking out. This soup is delicious and has the effect of drying and moistening the lungs. \x0d\ Duck blood soup with beef omasum Ingredients: duck blood 300g, beef omasum 150g. Ingredients: yellow throat, Monopterus albus, lunch meat, bean sprouts, vermicelli each 100g, Chongqing hot pot seasoning, pickled ginger, garlic, monosodium glutamate and sugar each a little. Practice: First, cut the duck blood into pieces and put them in a wok and blanch them with boiling water for later use. Stir-fry ginger slices and garlic slices with a little clear oil and put them in Chongqing hot pot to boil. After the soup is cooked, add duck blood, hairy belly, yellow throat, eel, lunch meat, bean sprouts, vermicelli and so on. Until cooked (be careful not to overcook the hairy belly). \x0d\ Tremella Qingfei Drink: Tremella 6g, Lily 9g, Adenophora adenophora 9g and rock sugar 25g. Soak tremella in clear water, boil it with lily and sand, simmer for 20 minutes, and add rock sugar.