The purpose of this study is to determine students' reading anxiety and explain the factors that cause anxiety in English learning, especially English reading. The research design of this study used qualitative method with case study approach. The sampling technique used was purposive sampling. Fifteen tenth grade students of SMA N 4 Pasarwajo were the participants of this study. The research data was collected using interviews and analyzed by descriptive analysis. The results of this study show that almost all students have reading anxiety when learning English. Several situations showed that students felt anxious such as lack of confidence, nervousness, embarrassment, and confusion. Most students find it difficult to understand the content of the text as a whole, confused with the topic, unfamiliar with the vocabulary. They also feel afraid and nervous when reading as well as embarrassed by pronunciation mistakes. Based on the results of the research, there are three points of view of factors that cause students' reading anxiety, namely: factors from the material, factors from students, and factors from teachers. Foreign language teachers are recommended to pay attention to students' reading anxiety and choose appropriate reading materials, reading instruction to help EFL learners reduce their reading anxiety.