First of all, we emphasize that bronchoscopy requires an appointment, some preoperative preparation and an appointment before the bronchoscopy can be performed. The following is a brief discussion of the matters that patients and their families should pay attention to before and after bronchoscopy surgery. Before the procedure: 1. Prepare the patient psychologically and ensure sufficient sleep. 2.Fast for 6 hours before the examination, and abstain from drinking for 2 hours before the examination. 3.Bring the results of electrocardiogram, blood routine and coagulation function within the last week. 4.Bring recent imaging data of the chest, such as chest X-ray, chest CT, etc. (CT is the best). After surgery: 1.Patients rest in the lounge for half an hour, and notify the doctor if they are unwell. 2.2 hours after surgery, try to drink warm water without choking and coughing before trying to eat. 3.A few days after surgery, there may be discomfort in the pharynx, which can generally subside on its own.