This thesis is entitled “Content Review on English Textbook Grade X Entitled “Talk Active” published by Yudhistira”. This study are to explain the feasibility of the language content, skills, and topics in English textbook entitled “Talk Active” for students grade X Senior High School published by Yudistira based on Merdeka Curriculum. The reseascher used descriptive qualitative research. The data were collected from the English Textbook “Talk Active” for tenth grade senior high school published by Yudistira. In this research, the materials in the textbook were classfield to the Cunningsworth theory based on merdeka curriculum. The data were taken from the data source and entered to the cecklist table to know the feasibility of the materials on English Textbook to Language Content, skills, and topics. Than the researcher classifield and described the feasibility of the material in textbook to Language Content, skills, and topics based on the merdeka curriculum and made a conclusion of the result. The English textbook consist of ten units and every units has each material. The result of this study showed that the feasibility the English textbook to the Language Content, skills, and topics were 83,3%, the partially feasibility the English textbook to the Language Content, skills, and topics were 11,1%, and the aspect was not feasibility the English textbook to the Language Content, skills, and topics were 5,6%. The feasibility of English Textbook was relative enough for used but it need another sources to support the material in the learning procces.