This study aims to explain the suitability of Bupena as English textbooks for the first grade in Senior High School with the guidelines for books used by the education units set by the Indonesian Minister of Education. In addition, this study analyzes the appropriateness of the contents in Bupena as English textbook for the first grade in high school with the criteria contained in the 2013 curriculum set by the Indonesian Minister of Education. The researcher used a qualitative descriptive method. The subject of the research is the English textbook 'Bupena’. The instrument used in this research is to use a checklist and researcher took data by using a description technique. This study applied analysis technique. The results of this study are an English textbook entitled "Bupena" in accordance with the aspects mentioned in the provisions of the book used by the Education Unit in Law Number 8 of 2016 and the content of the material is also in accordance with the 2013 Curriculum Basic Competencies. Although the final aspect of the Bupena textbook does not match the aspects contained in the book guide used in the Education Unit, it does not mean that this book is not suitable for use, because the content of the material presented in this book is in accordance with the Basic Competencies in the 2013 Curriculum.