This study aimed to find out the effect of guided question technique on students’ writing skill of descriptive text at the eighth-grade students of SMP I MIFTAHUL HUDA Jepara. The method used in this research was quantitative research and the design was an experimental study. The sample of this research was two classes which were divided into the experimental class and controlled class. VIII-A as the experimental class consisted of 28 students and VIII-C as the controlled class consisted of 29 students. The experimental class was taught by using guided question technique while the controlled class was taught using communication language teaching. In collecting data, the researcher conducted a writing test which was divided into pre-test and post-test. The data collected were analyzed using t-test. After analyzing, the result of this research showed that there was a significant difference between students score in writing descriptive text by using guided question technique and without guided question technique. According to the result of statistical calculation, it could be seen that t_(count ) was 3,23 and t_tabel was 2,00. It means that t_(count )was higher than t_tabel (3,23 > 2,00). Thus, the alternative hypothesis (Ha) is accepted and the null hypothesis (H0) is rejected. In conclusion, using guided question technique is effective on students’ writing skill of descriptive text.