Based on the results of observations made, researchers found problems that became obstacles in learning Indonesian, namely the learning process still used conventional methods or lectures and the teacher only used media images to spur increased learning outcomes. The purpose of this study was to improve student learning outcomes by using the Tomohon Elementary School Demonstration learning model. This study used a classroom action research design according to Kemmis and Taggart, which was carried out in two cycles. The research procedure includes (1) planning, (2) implementation (3) observation and (4) reflection. The data collection technique in this study was observation/observation and tests with student data sources at SD Negeri Tomohon with a total of 8 students, consisting of 8 boys. Cycle I student learning completeness reached 62.62% then increased to 97.5% in cycle II. Thus, it can be concluded that the use of the Demonstration learning model can improve student learning outcomes in learning Indosian Language in class IV SD Negeri Tomohon so that they can develop the potential contained in students. Because if from basic education students are trained to prove themselves the concepts being taught then the intellectual, emotional, and skills of students can grow and develop.