This study examines the relationship between vocabulary ability, vocabulary learning strategy (VLS) use and cloze test performance of Korean college students. Eighty participants took a questionnaire about VLS use, a vocabulary test and a multiple choice cloze test. The result shows that ‘meaning finding strategy’ and ‘memory strategy’ were the most frequently used while ‘metacognitive strategy’ was the least. The students’ VLS use was not positively correlated with their vocabulary ability. However their cloze test performance was positively correlated with their vocabulary ability, which suggests that the cloze test could be an effective tool to improve EFL learners’ vocabulary ability. (Jinju National University of Education)