Robots can play an important role in the education but they will never fully replace teachers. That's true for the following reasons. First of all, robots can't understand human emotions. Many students have different thinking and they bring that to school. Robots are just machine, so how can they understand what students really need? Therefore, students will feel disappointed because they are not understood. Exactly in classroom, robots can't understand and fulfill their job that lead to the boredom of students and the quality of the lesson is not good. Secondly, they lack of speech recognition and ability for social situations in the classroom. If student doesn' want to study, how can robots help them? Or just because some minor misunderstanding, students have fight in the classroom so how can robots solve? This may lead to lot of problems in the classroom, therefore, their role will largely confined to that of teaching assistants or tutors. It's realy teachers that understand the growing brain, help them develop thinking skills experience and understanding, offer feedbacks that guide the students' next step in their lives. Noone knows what the world will be like in the next twenty years but strongly believe that robots can' be real teacher, and teacher will be an essential element that leads to the success of the students. Nothing can replace the teachers, even robots.