If you get up every morning and cough with phlegm, you may have chronic inflammation, which may be chronic pharyngitis or chronic bronchitis, bronchiectasis, lung abscess, or tuberculosis, and you need to analyze the cause with clinical symptoms. If there is a foreign body sensation in the throat and you like to clear your throat every morning, consider it to be caused by chronic pharyngitis. If the cough is not only in the morning but also in the daytime, and if the cough lasts for a longer period of time and occurs every year at the change of seasons, with each cough lasting for more than three months, it is considered to be caused by chronic bronchitis. If it is accompanied by afternoon hot flashes, night sweats, and wasting symptoms, consider whether it is accompanied by tuberculosis. In contrast, patients with bronchiectasis have more sputum and the sputum will be stratified, so it is recommended to improve chest CT examination to clarify the diagnosis.