1, low difficulty: as long as you learn the technique, hold it firmly and accurately, and be familiar with the ear structure, eye washing is difficult to learn, which tests the technical ability of the master and requires high operation.

2. Short study time: The training time for ear picking is 7 days, and you can learn it in 7 days. Easy to learn, eye washing training time 14 days. Because eye washing is difficult, one-on-one teaching is needed and the teaching time is long.