Lung-heat cough is a symptom of coughing due to heat in the lungs and loss of lung qi. It is most often seen in children with low immunity and in the elderly. In modern medicine, respiratory tract infections, acute and chronic bronchitis attacks, and other respiratory system diseases may all present with this condition. A. Etiology and pathogenesis of lung-heat cough Lung-heat cough may be caused by external evil attacking the lungs, causing heat in the lungs, or by uncontrolled diet, over-eating fatty and sweet foods, accumulation of heat, fire-heat or depression, heat in the liver, wood and fire interfering with gold, leading to heat in the lungs, refining liquid to become phlegm, and phlegm generating heat, resulting in frequent coughing and difficulty in expelling phlegm. Clinical manifestations of lung-heat cough The main clinical manifestations are recurrent cough and yellow sputum, accompanied by dry mouth, sore throat, constipation, red urine, body heat or wheezing, etc. The tongue is red, with thin yellow or yellowish greasy coating, little fluid, and a smooth or fine pulse. Chinese medicine treatment for lung-heat cough 1. It is advisable to clear the lung fire, promote the lung and calm asthma, resolve phlegm and stop coughing. For the treatment, we can use Ma Heng Shi Gan Tang, Radix Platycodon Grandiflorus Tang, Reed Stem Soup, and Diarrhea Bai San. The medicine can be used as honey refining Chuanbei loquat paste, snake bile loquat paste, oral liquid for children with lung heat and cough. 2, food therapy (1) pear is cool, sweet, can clear heat and phlegm, hot cough is appropriate. Often peel the pear, the pear nucleus hollowed out, put people Chuanbei powder, stewed food with water, 2 times a day, each time 1. (2) Luo Han Guo clears the lungs and relieves cough, lung-heat cough and wind-heat cough is appropriate to serve. Can Luohan fruit 1, persimmon cake, water decoction to take food. (3) Persimmon is cold in nature and can clear heat, eliminate phlegm and stop cough, so it is suitable for those with hot cough. According to recent pharmacological tests, persimmons do have expectorant and cough suppressant effects, and the expectorant effect is stronger than the cough suppressant effect. (4) Loquat is cool in nature, sweet in taste, and can moisten the lungs and relieve cough by removing phlegm. Yunnan Materia Medica: “Loquat cures cough and sputum.” Suitable for hot cough spitting yellow pus phlegm people eat. (5) Figs can clear heat, resolve phlegm and regulate qi, and are suitable for people with wind-heat type coughs with phlegm and chest congestion. Fujian Herbal Medicine” also recorded the local folk method to treat lung-heat cough, hoarseness, with figs, water decoction mixed with icing sugar to serve. (6) Water chestnut can dissolve phlegm and clear heat, and is especially suitable for those with febrile coughs spitting out pus and phlegm. Each time you can use fresh water chestnuts, wash and peel them, scald them with boiling water and eat them raw, once in the morning and once in the evening, for 3 to 5 days. (7) Winter melon is cool in nature and can eliminate phlegm and clear heat. The “Dian Nan Ben Cao” says: “Winter melon moistens the lungs, eliminates hot phlegm, and stops coughing.” Anyone with wind-heat cough or lung-heat cough should use winter melon simmered in soup for consumption. Prevention of lung-heat cough Give a light diet that is high in calories, low in fat and easy to digest, forbid spicy and stimulating and fried foods, drink more water and eat more vitamin-rich vegetables and fruits. Ensure sufficient rest time, loose clothing, do not wear too thick, keep indoor ventilation and proper temperature and humidity, avoid cold air stimulants and smoke inhalation, etc. Encourage patients to participate in appropriate physical activities, avoid strenuous exercise, improve physical fitness, improve the immunity of the body and adaptability to the environment.