<![CDATA[In the book of teaching the Arabic language for the eleventh grade in the Islamic High School in 2020, the researcher found some differences and errors in the presentation of educational materials. This research aims to reveal the validity of the content validity of the textbook for teaching the Arabic language for the eleventh grade in the Islamic High School in 2020 according to the National Education Reporting Authority (BSNP). This research is important for his work, because this book that the teacher will use as the main teaching material in teaching Arabic to eleventh grade students in the Islamic High School throughout Indonesia, then this book must be a decent book as the main teaching material. The research approach used in this research is a qualitative approach with a library approach. As for the data collection tools, it is the notes in the book for teaching the Arabic language for the eleventh grade in the high school in 2020 and the documents for collecting written data related to this research. The data analysis method in this research is content analysis. As for the data analysis steps in this research, they are data identification, analysis process, and degree assignment. The results of this research were that the suitability of the materials with the main competency and the basic competence in this book is decent, but the spiritual attitude and the social attitude need to be fulfilled in each lesson. The accuracy of the material in this book was a little decent, because the error was found in the movement of the word and the statement of the material. The terminology and diction were found to be inappropriate with the well-known Arabic terminology, and some of the pictures and illustrations were not appropriate for their statement. The replenishment of material in this book was decent, but some of the photos and illustrations are unrealistic. There are the examples and the issue that do not indicate the examples and the issue found in Indonesia and the Arabs]]>
