1) You must be familiar with the anatomical structure, which is necessary, otherwise the mirror will be confused and can't find the north. If you make a fiberoptic bronchoscope under different conditions, sometimes on the patient's head, sometimes on the left or right side-through intubation or tracheostomy tube, then your brain must be awake and accurately dissected. Otherwise it can't be operated at all. )

2) It is necessary to observe more before actual operation, and it is the key for the patient to insert the mirror quickly and pick up the angle adjustment button when inhaling; Body position is very important, so the neck must be overstretched so that the glottis can be easily exposed.

3) It is best to have a teacher around (pre-stage, of course). Please explain to the teacher if you have any questions. What about yourself? To compare these views,

4) Look at the atlas, but don't stick to it. Diseases are ever changing.