When the above clinical manifestations occur, it is recommended to actively seek medical advice and improve relevant examinations to clarify what diseases are causing the above clinical manifestations, and make targeted treatment. Diseases that can lead to the above clinical manifestations include the following: 1. chronic obstructive pulmonary disease, which can be clearly diagnosed through lung CT, lung function and other related examinations, and after the diagnosis is made, comprehensive treatment such as anti-infection, expectoration and asthma can be given. 2. pulmonary tuberculosis can also cause chronic cough and sputum, and anti-tuberculosis treatment is needed after the diagnosis is made. 3. lung tumors can also cause long-term cough and sputum, and surgery, radiotherapy and chemotherapy can be taken according to the condition. 4. 4. Chronic lung abscess can also present with persistent cough and sputum, and anti-infective, expectorant, interventional or surgical treatments can be taken according to the condition.