Subject English in senior high school refers to a teaching method that combines English language with other subject knowledge in English teaching. Through the teaching of subject English, students can not only learn the basic knowledge and skills of English language, but also learn vocabulary and language expressions related to other subjects, thus deepening their understanding and mastery of other subjects.

Senior high school subject English usually includes scientific English, business English, legal English, medical English and other professional English, as well as the improvement of English reading and writing ability. The teaching of subject English usually adopts various teaching methods and forms according to the contents and characteristics of different subjects and the actual needs of students, including classroom teaching, reading, writing, discussion, listening and practice.