The purpose of this study was to obtain data about the effectiveness of the Tea Party cooperative model in German speaking skills. This research is a quasi-experimental study. Data collection tecnique is speaking skills tests. Data were analyzed using t-test analysis. The results of data analysis show that t count 6.141> t table 1.998 at a significant level of 0.05. The results showed that the Cooperative Tea Party Type learning model was effectively used in  increasing students' German speaking skills