This research aims to determine the improving writing descriptive texts using picture in Class X at SMA Negeri 1 Lawe Sigala-gala in the academic year 2023/2024. The population of this study consists of all 198 students in Class X, with a sample size of 30 students. The research method employed is an experimental method with a one-group pretest and posttest design, and data analysis using the "t" test. The initial test results show that students had an average score of 50.33, categorized as less satisfactory, with a standard deviation of 6.82. There was an improvement in the final test scores, with an average score of 76.83, categorized as good, and a standard deviation of 2.85. Based on the initial and final test results, and considering the passing grade (KKM) for English in high school is 75, students' ability in writing descriptive texts is classified as good. The hypothesis testing yields a t-value of 14.1, compared with the t-table value at a 5% significance level (1.706). As a result, the hypothesis is accepted (14.1 > 1.706). In conclusion, there is an improving the student writing descriptive texts using picture in Class X at SMA Negeri 1 Lawe Sigala-gala in the academic year 2023/2024.