The policy of double reduction will not have much influence on adult English training institutions, so we should be cautious in choosing children's English training institutions, so EF's children's English is more or less affected by double reduction; Online training for preschool children is not allowed under the double reduction, and offline discipline (including foreign languages) training for preschool children in the name of preschool class, young bridging class and thinking training class is strictly prohibited. The policy of "double reduction" is mainly aimed at the students of nine-year compulsory education, and the most affected is subject training, such as Chinese, mathematics, English, physics, chemistry, biology and other subjects in compulsory education, as well as preschool, foreign teachers and online English. Beijing EF Children's English offers courses for students of 10- 13 age group, with four courses at different levels, which are combined with superior teachers and teaching environment, so that students can easily master English skills.