The Snowball Throwing model can be used as a learning alternative to increase students' learning motivation because the Snowball Throwing learning model refers more to efforts to increase and encourage student activity to interact in the classroom during teaching and learning activities. The purpose of this study was to find out how the description of the application of the Snowball Throwing model can improve student learning outcomes in learning OTK Personnel Class XII OTKP C SMK Negeri 1 Luwuk. The design of this research is classroom action research (CAR). The types of data in this study are qualitative data and quantitative data. Qualitative data was collected by using an observation sheet, while quantitative data was collected by giving a test at the end of each cycle. Data analysis in this study is to reduce data, present data, and verify or draw conclusions. Based on the results of the classroom action research above, the researcher can draw the conclusion that the Snowball Throwing Model can improve learning outcomes for Class XII Personnel OTK learning OTKP C SMK Negeri 1 Luwuk in the 2019/2020 school year.