The purpose of this research is to indentify and describe traditional Buton games through group guidance to improve students' prosocial behavior. The research method used was a preexperimental method with a one-group pretest-posttest design. The population in this study were students of class VII SMP Negeri 3 Baubau which may have 27 students. Determination of the sample through purposive sampling technique with a sample size of 10 students, the data analysis technique used the Wilcoxon statistical test. The results of presenting the posttest showed that there was an increase in the prosocial of students through group guidance services with the traditional Buton game, with 10 samples, namely 30% or 3 students in the moderate category and 7 students or 70% of the student's prosocial increase; There is a significant difference between the pretest and posttest results with the respective sig values. (2-tailed) probability 0.005 at a significance level of value 0.05 (p <0.05). The findings in this study indicate that the provision of group guidance service through group guidance with the traditional Buton game to improve students' prosocial practices has been successful or effective.