Bronchial phlegm plugs are treatable with nebulization. The methods of bronchial phlegm expectoration include physical expectoration, drug expectoration, and bronchoscopic surgery. 1. Physical phlegm expulsion: if the patient’s symptoms are not serious, cardiopulmonary function is normal, and there is no fever, pain, dyspnea, etc., the patient can drink more water to dilute the phlegm, cough appropriately to promote the expulsion of phlegm, or pat the back appropriately to promote the phlegm expulsion of phlegm smoothly. 2. Drugs to expel phlegm embolism: can be given through nebulization, such as acetylcysteine, or choose to take oral drugs such as ambroxol, bromhexine, acetylcysteine, and so on. 3. Bronchoscopic surgery to remove phlegm embolus: if the phlegm embolus is more serious and causes respiratory difficulties, the phlegm embolus can be taken out directly by bronchoscopy, which can effectively alleviate phlegm embolus blockage of the bronchial tubes and alleviate the clinical symptoms. Phlegm embolism treatment at the same time to actively improve the examination, clear cause, under the guidance of the doctor to the cause of the treatment, to prevent the formation of bronchial phlegm embolism. During the treatment period, patients should follow the doctor’s instructions, so as not to delay the condition.