The purpose of this paper was to discuss how to apply Front Loading Vocabulary in helping students to improve reading comprehension at Senior High School students. Front Loading Vocabulary is a strategy where students are introduced to the vocabulary related to the text or passage before going to comprehend the texts. In Front Loading Vocabulary students were given time to explore vocabulary before reading the whole information related to the text. In this activity students discuss the vocabulary in group. Teacher provides students with a worksheet contain words that students going to discuss, synonim, antonym and part of speech of the words and at the end, students will find the meaning of that words. There were three major advantages of implementing Front Loading Vocabulary in reading comprehension: 1). Facilitate students to comprehend the texts, 2). Prepare students before going to reading, 3). Improving student’s vocabulary. By using this strategy students will be able to comprehend the new materials which are unfamiliar for them. In addition, teachers also find the ways to help students in comprehend the texts or passages. The process of writing this paper was based on the limitation of vocabulary and student’s background knowledge in comprehending the text. Thus, by implementing Front Loading Vocabulary, the problem can be solved. Key words: Front Loading Vocabulary, Reading Comprehension