Usually, our teachers often give some evaluation onus according to the performance in their eyes.
Although it is one of the Chinese traditionaleducation system, it is unfair in some extend.
So, teacher evaluation becomes an important partin the education system, especially in the courseevaluation.
To have high quality courses, both teachers and students should take the responsibility.
So, if students can appraise the teaching quality for every teacher, it will be helpful for highquality classes.
As no one will be perfect, teachers can realize their disadvantages on teaching from teacherevaluation.
Thus, it is important and necessary.