Result:All these data are very important for us to master the length of eustachian gorge aditus properly and find out a common rate so as to improve successful rate of inflation eustachiantube meanwhile there is a great practical value for the teaching.

• 结论：这些测算出的数据，对于正确掌握鼻小柱至咽鼓管咽口的长度，求出一个常值，提高对咽鼓管吹张术的成功率，对教学也有着重要的实用价值。