The research proposed to examine whether there was any significant correlation between students' question words mastery and their speaking ability due to the students' difficulty in asking information about someone' personal information. There were 28 students as the samples selected by using simple random sampling. This research used a quantitative approach which was presented in correlational research design. In collecting the data, the researcher used a test which consisted of a written and spoken test. The written test aimed to measure the students' question words mastery consisted of 27 questions. Meanwhile, in measuring the students' speaking ability, the students were asked to do a short dialogue with their peers asking and giving information about their family. Then, the data analysis was conducted based on the students' written and spoken test results and its correlation was measured. The result of the data analysis of the students' question words mastery and their speaking ability were fair proved by the mean scores of these were 69.6 and 70.8. Finally, the value of r[subscript obtained] was 0.608 which was higher than the value of r[subscript table] 0.374. In conclusion, there was a significant correlation between students' question words mastery and their speaking ability in asking information. [For the full proceedings, see ED654100.]