1 First of all, don't cross the eyebrows in front, and the position of hair weaving should not exceed the eyebrows, so as not to block the students' sight.

2. From the side, hair should not exceed ears, which can make boys look cleaner.

3, and from the back, the hair can't grow to the collar, and the overall length can only be "a horizontal finger", similar to "bald head", and the overall look is neat.