Most of eighth grade students' SMP Yakhalusti Pontianak have difficulty to follow English lesson especially in learning speaking activity. Therefore, role-play technique was applied to improve students speaking ability in using expressions for asking, giving, and refusing opinion. Classroom action research method was used to solve the problems. This method was applied on 40 students of eighth grade of SMP Yakhalusti Pontianak. The data were collected by using observation table and field note. Collecting the data also completed by using performance test and scoring rubric. The result of data analysis showed there were improvements in students speaking ability from the first cycle, second cycle, and third cycle. Student ability in speaking in first cycle was low, mean score was 54.075. In second cycle become 63.075. Then, in third cycle mean score showed improvement become 70.40. Therefore, it can concluded that using role-play techique can improved students speaking ability in using expression for asking, giving, and refusing opinion