The study examined three versions of mainstream English textbooks for current use in senior high school. It first focuses on the research background and significance of the current use of three main versions of English compulsory textbooks. Then it outlines the design of the research scope and contents, research method. It conducts comparison of four dimensions and is analyzed in details. The findings indicate that three versions of textbooks have their respective and unique characteristics,

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... the scope of adaptation. It suggests that the author of textbooks should reexamine and survey, and really come up with a credible basis to demonstrate the moderate and feasible measures of the materials, and to adjust the difficulty of the text. At the same time, it needs to increase the input of modern teaching equipment, so that teachers are more likely to operate and implement the link in the classroom teaching.