AbstractThe main purpose of this paper is to understand how to use peer teaching in a real teachingÂ-learning experience, to understand the peer teaching-learning method can increase student’s ability in learning Mandarin vocabulary. The subject of this research is the eleventh grade of SMK LKIA for accounting major. The method used in this research is classroom action research , research method , test method and comparison method.Based on the result , the researcher found that peer teaching has increased student’s motivation in the class.This method also helps student’s to understand Mandarin vocabulary. Besides using  peer teaching learning method in teaching learning process stimulates students , moreover , peer teaching increases student’s interest in learning, increases score, confidence and makes student easier to get teaching learning strategy of “peer†. Thus, the students have got a good improvement during learning process.
                        
                        
                        
                        
                            
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