With the promulgation of the Double Reduction policy, English teaching activities in senior high school have been greatly affected, because this is not only the reduction of homework burden, but also the changes of teaching belief and teaching direction. Double Reduction that refers to the task of improving the quality of education is not just to reduce the number of tasks, but to add on the basis of subtraction. Then, Double Reduction can be said to be reducing quantity and increasing efficiency and reducing burden and increasing quality. Thus, English teacher should also timely change the traditional teaching concept, change the single teaching form, optimize the teaching content, cultivate students’ autonomous learning ability, pay attention to the cultivation of students’ thinking ability and comprehensive quality, and promote the more scientific development of English teaching activities, so as to better implement the spirit of the Double Reduction, to implement the requirements of neutral morality in the English Curriculum Standards for Senior High Schools.