Self-assessment has been given much attention in recent years owing to growing emphasis on learner independence,learner autonomy and meta-cognition. Despite its importance, contexts where learners are put in charge of rating their own performance are quite rare in China. The paper aims at investigating the effectiveness of self-assessment in EFL classroom in China. Through the statistic analysis of the experimental data, the authors have found that introducing self-assessment to EFL classroom can both enhance the students' confidence and self-esteem in their la...