The purpose of the research was to measure the effect of board games on students' speaking skill at Grade XI of SMA N 1 Tambusai Rokan Hulu. This research was an experimental research. The researcher divided the classroom into two parts, control class and experiment class. This experimental research was prepared by pre-test, treatment and post-test. Cluster random sampling technique was used. These samples included 51 students of class XI. The sample of class control was 26 students and experiment class was 25 students.The research finding showed that there was significant effect of board game on students' speaking skill at grade XI of SMA N 1 Tambusai Rokan Hulu. It can be seen from mean score 20.72of experiment class and 11.74 of control class, then T-test value in this research 4.445 T-table value 2.012. It showed that (To) was higher than (Tt) in degree of significance 5%. It can be concluded that there was any significant effect of board game on students' speaking skill at grade XI of SMA N 1 Tambusai Rokan Hulu.