The picture series technique has been recommended as an effective tool for teaching English writing, particularly in supporting pre-writing activities. This study aimed to explore the use of picture series in improving students' ability to write procedure texts at Junior High School PKPU, Aceh Besar. The research employed an experimental design with a quantitative approach, using tests to collect data from the students. The results were analyzed using SPSS, and the findings revealed a (2-tailed) significance value of 0.000 < 0.05, indicating a significant difference between the pre-test and post-test scores. The pre-test average score was 64.1, while the post-test average score increased to 83.75, showing an improvement in students' writing skills. This suggests that the use of picture series has a positive impact on students' ability to write procedure texts. In conclusion, the picture series technique plays a crucial role in enhancing students' writing skills in procedure text.