The bulging of tracheal mucosa may be the manifestation of chronic inflammation, tuberculosis infection, tumor, etc., which needs to be clearly diagnosed and treated for the cause. 1. Chronic inflammation: It is mainly due to chronic inflammatory reaction of trachea and bronchus caused by repeated infections, resulting in swelling and bulging of trachea or bronchial mucosa, which is mainly treated symptomatically. Such as taking aminobromine, bromhexine and other cough and phlegm; if accompanied by cough sputum, pus and sputum and other bases of infection, it is recommended to take cefixime, levofloxacin and other treatments. 2. Tuberculosis: Mycobacterium tuberculosis infection can lead to tracheal or bronchial mucosal elevated lesions, resulting in irritating cough, generally need active anti-tuberculosis treatment, such as the use of isoniazid, rifampicin, pyrazinamide and other drugs. 3. Tumor: tracheal mucosal elevation may also be a manifestation of tumor. This kind of tumor usually has very mild or even no inflammation manifestation, but when doing bronchoscopy, it is found that there is the phenomenon of tracheal mucosa bulging. Surgery, radiotherapy, chemotherapy or targeted therapy should be performed according to the stage of the tumor and the results of genetic testing. If tracheal mucosal elevation is found, it is necessary to follow the doctor’s advice for further examination and treatment in a timely manner, and do not leave it unchecked.