Coughing and sputum in the chest are considered to be caused by acute tonsillitis, pharyngitis or bronchitis, and may also be related to pleurisy and pneumonia, etc. Patients are advised to go to the hospital promptly to identify the cause and actively carry out targeted treatment.1. Acute tonsillitis: Coughing and sputum in the chest are mostly symptoms of acute tonsillitis, as the tonsils are irritated by bacterial or viral infections that cause inflammation. The problem of edema and congestion occurs. This will lead to an increase in inflammatory secretions from the tonsils, which cannot be discharged in a timely manner and will then flow down to stimulate the throat, resulting in coughing and phlegm in the chest. The problem can be treated by pharyngitis tablets and other drugs; 3. Bronchitis: cough and phlegm in the chest may also be caused by bronchitis, because the stimulation of the bronchial mucosa by inflammation will mostly cause inflammatory secretions, and if not controlled in time, it may lead to an increase in secretions and problems such as downstream infection, causing symptoms of cough and phlegm in the chest, and bronchitis is commonly treated with drugs, mainly Pleurisy: Patients with pleurisy may also suffer from cough and sputum in the chest. Pleural tissue may become edematous and congested to varying degrees due to inflammatory stimulation, causing coughing. 5. Pneumonia: cough and sputum in the chest are also considered to be caused by pneumonia, as the lung tissue can become inflamed and stimulated, thus causing the cells of the lung tissue to fall off and causing infection in the chest cavity, resulting in cough and sputum in the chest, and pneumonia can be treated with drugs such as azithromycin tablets or cefixime capsules. Patients with cough and sputum in the chest need to apply the above drugs under the guidance of a doctor. It is recommended to drink more water on a daily basis to help keep the mucous membrane of the respiratory tract moist, and it can dilute the sputum and facilitate the discharge of sputum, thus relieving the uncomfortable symptoms. Patients need to pay attention to a light diet and avoid spicy and stimulating foods to avoid stimulating the respiratory mucosa and aggravating the symptoms.