Penelitian ini bertujuan untuk mengetahui: peningkatan penguasaan kosakata siswa setelah mereka diajarkan melalui gambar. Penelitian ini menggunakan desain one group pretest dan posttest. Tes kosa kata digunakan untuk pengambilan data. Data ini di analisis menggunalkan repeated measured t-test. Subyek penelitian ini 27 siswa dari kelas empat pada SDN 1 Rajabasa Raya. Hasil penelitian menunjukkan bahwa adanya peningkatan antara pretest dan posttest. Dengan level signifikan adalah p<0.05 (p=0.000). Dapat disimpulkan bahwa gambar dapat digunakan untuk meningkatkan prestasi belajar kosa kata siswa.The aims of the research was to find out: the improvement of students' vocabulary mastery after they were taught through pictures. The research used one group pretest and posttest design. The vocabulary test was used to collect the data. The data were analyzed by using repeated measured t-test. The subjects of this study were 27 students from the first grade students of SDN 1 Rajabasa Raya. The result showed that there was a statistically significant improvement of the students' mean score between the pretest and the posttest with significant level p<0.05 (p=0.000). This suggests that pictures could be used to improve students' vocabulary achievement