Reading is one of factors who support into process learning sucessfully. However, students still get any difficulties when they will apply it. One of them, students reading speed still limited. Students often spend their times only to read all of the text and it was over before they finished their assignment. Based on the problem, researcher did an research to know whether there is correlation that significant toward students skimming skill and students ability in understanding reading teks. This research was implemented at eleventh grade students of SMKN 2 Kotabumi in academic year of 2020/2021. This research used correlational research. The population was all of students of eleventh grade at SMKN 2 Kotabumi in academic year of 2020/2021. The amount of population were 379 students. Meanwhile, the sample were taken 10% from the population, by using proportional random sampling. The sample in this research was 38 students. In this research, researcher did two tests to collect the data. Multiple choice test in 20 questions was given to measure students’ reading comprehension and questionnare with 10 statements to measure students skimming skill. Then, the data was tested by using t-test. The result of hypothetical test showed that t_count > t_table , so was accepted and was rejected. In other words, it can get conclusion that there is a significant correlation of students’ skimming skill and students’ reading comprehension towards understanding a text at eleventh grade students of SMKN 2 Kotabumi in academic year of 2020/2021.