This study aims to explain the effectiveness of using storytelling technique to facilitate students’ speaking proficiency at the eight grade A students’ of SMPN 4 Wanayasa. The method of this research was a pre-experimental design that consisted of one group pre-test and post-test design class. The sample of this research was the eight grade A students with the total number where 16 students. The instruments of data collection for this research were pre-test, post-test and documentation. The research findings indicated that the eight grade A students of SMPN 4 Wanayasa Banjarnegara were very low in speaking proficiency. But after treatment, their speaking proficiency improved significant. It was proven by the result of the mean score obtained by the students through pre-test was 54,5 which was classified as very poor category and the mean score of the students in post-test was which was clasified as 74,25. While the value of t-test was greather than the value of t-table. (19.79>2.13). It was indicated that the Null Hypothesis (H0) was rejected and the alternative Hypothesis (H1) was accepted. It could be concluded that the use storytelling technique is effective to facilitate students speaking proficiency.