Bronchoscopy is usually able to remove foreign bodies. Bronchoscopy involves inserting a bronchoscope through the mouth or nose into the patient’s trachea and bronchial tubes to visualize or biopsy the lesion, as well as extract secretions from the deep bronchial tubes to improve the patient’s oxygen saturation, which can diagnose and treat the disease. Bronchoscopy can be used in conjunction with the use of a special foreign body forceps that can penetrate deep into the bronchi and remove foreign bodies. Bronchoscopy can be used to remove foreign bodies such as phlegm plugs and food residues that block the bronchial tubes and cause hypoxic symptoms. Bronchoscopy is widely used, not only to check the disease, but also to treat the disease, it is recommended that under the guidance of a professional doctor, reasonable and standardized treatment.