Usually,ourteachersoftengivesomeevaluationonusaccordingtotheperformanceintheireyes.AlthoughitisoneoftheChinesetraditionaleducationsystem,itisunfairinsomeextend.So,teacherevaluationbecomesanimportantpartintheeducationsystem,especiallyinthecourseevaluation.Tohavehighqualitycourses,bothteachersandstudentsshouldtaketheresponsibility.So,ifstudentscanappraisetheteachingqualityforeveryteacher,itwillbehelpfulforhighqualityclasses.Asnoonewillbeperfect,teacherscanrealizetheirdisadvantagesonteachingfromteacherevaluation.Thus,itisimportantandnecessary.