The objective of the research is to know the increasing of students' learning achievement in XI IPS 2 with demonstration method by document transaction media. This research is class room action research held in two cycles. The subject of this research is a class XI IPS 2 which totaled 30 student. Technique of data collecting is done by, testing, documentation, testing, observation, and interviews. The data validity used source triangulation and method triangulation. The data analysis used quantitative analysis method and qualitative analysis method. The result of the research shows that can improve accounting learning achievement, see in (1)Learning outcomes showing an increase 18,8%. (2) The independence of students in working during the post test showing an increase 51,4%. (3) Students' attention during the demonstration showing an increase 21,6%. (4) The students' activeness during the discussion showing an increase 83%. The conclusion of the research is that the implementation of demonstration method by document transaction media can improve students' learning achievement in XI IPS 2.