Fruits and green vegetables: Vitamin C and carotene in fresh fruits and vegetables can increase lung ventilation. Eating foods containing at least 300 mg of vitamin C every day can reduce the prevalence of bronchial asthma and bronchitis by 30%. China Nutrition Society recommends that everyone should eat 400~ 500g vegetables and 100~ 200g fruits every day. 1. Pear Chinese medicine believes that pear is sweet, slightly sour and slightly cool, and mainly belongs to lung and stomach meridians. It has the effects of moistening lung, clearing away heat, resolving phlegm, reducing fire, clearing stomach, purging heat, nourishing yin, promoting fluid production, nourishing kidney, tonifying deficiency, moistening intestine and relaxing bowels. Treating cough and expectoration caused by pulmonary tuberculosis has a unique and obvious effect. The famous "pear paste sugar" is mainly made of sweet pears. 2. Litchi Chinese medicine believes that litchi is sweet, sour, warm and non-toxic, and has the functions of promoting fluid production to quench thirst, moistening lung and resolving phlegm, invigorating spleen and stomach, soothing liver and regulating qi, and nourishing kidney yin. Made into Chinese medicine for relieving cough. 3. Sugarcane Chinese medicine believes that sugarcane is sweet and non-toxic and belongs to the lung, stomach and kidney meridians. Has the functions of moistening lung, benefiting stomach, tonifying kidney and promoting fluid production. 4. Walnut Chinese medicine believes that walnuts are sweet, moist and non-toxic, and belong to the lungs, stomach, liver and kidney. Has the effects of benefiting lung, relieving asthma, nourishing stomach, moistening intestine, relaxing bowels, regulating liver and blood, tonifying kidney and strengthening brain. Chinese medicine believes that orange is sweet, sour, wet and non-toxic. Oranges enter the meridians of lung, stomach, heart and liver, and orange leaves, orange stones and orange collaterals can also be used as medicine, which has the functions of moistening lung and relieving cough, stimulating appetite and promoting fluid production, invigorating spleen and stopping diarrhea, promoting qi circulation and relieving arthralgia, soothing liver and relieving depression. 6. Pomegranate Chinese medicine believes that pomegranate tastes sweet and flat, pomegranate skin is astringent and warm, and enters the meridians such as the lungs and large intestine. Has the effects of clearing away heat, quenching thirst, nourishing stomach, dredging channels, killing parasites, stopping dysentery, promoting gallbladder function and improving eyesight. Onion: Dr. dolk found that one of the onion compounds has strong anti-inflammatory activity. At the same time, onion contains allicin, which has strong antibacterial and bactericidal ability, and can inhibit the invasion of various bacteria and viruses, especially for the prevention and treatment of respiratory and digestive diseases. Garlic: This is one of the most popular vegetables. It is not only rich in protein, fat, phosphorus, sugar, vitamin A and vitamin C, but also contains allicin, allicin and other important substances, which has the function of inhibiting virus and cancer cell growth. Doctors in China often use garlic to prevent and treat tonsillitis, bronchitis, tuberculosis and asthma. Radish: contains a lot of vitamin C, carotene, riboflavin, nicotinic acid, calcium, phosphorus, iron and so on. It is not only a good vegetable, but also a vegetable with many medicinal values. Therefore, eating raw radish often can prevent respiratory tract infection, sore throat, bronchitis and other diseases; It can also disperse the lung, eliminate phlegm and treat expectoration. Tremella: Also known as Auricularia auricula, it is a precious colloidal edible fungus and medicinal fungus in China. According to modern scientific analysis, the protein of tremella contains 17 kinds of essential amino acids, acidic isopolysaccharide, organic phosphorus, organic iron and other compounds, which are very beneficial to human physiological functions. In particular, the acidic heteropolysaccharide contained in tremella fuciformis can improve human immunity and has a significant effect on bronchitis and lung infection. Lily: Since ancient times, people have made full use of the homology of medicine and food of lily to nourish the body and mind and strengthen the body. Fresh lily has sedative and antitussive effects, and is suitable for patients with bronchitis, emphysema, tuberculosis and hemoptysis. Besides, stay away from cigarettes, you can often take a deep breath in the lake or by the river, and often wipe your chest. You can also eat more fungus, mushrooms eat more fungus, very good, it is best to refresh yourself with cold dishes. Eat more things that are good for the lungs and take a deep breath and cough every day, because this can clean up the garbage in the lungs. Don't go to some factories. Go to some places with fresh air. Also, run and exercise every morning, because it is best not to smoke in the morning air! Eat more foods that are beneficial to lung health care, such as Nanxing pork lung soup, Shashen Yuzhu old duck soup, stewed lean meat with lotus seeds and lilies, crystal sugar, mixed bean sprouts with fungus, Radix Puerariae Qingfei soup, boiled beef lung with radish and almond, smoke less, go to dusty places less, eat more foods that clear lung, such as wax gourd and other things that Chinese medicine says are red, and you can try more, mainly plants (such as tomatoes).