Considering the status quo of college English teaching, we implement stratified teaching, which reflects the idea of stratification in terms of teaching objects, teaching management, teaching process and assessment and evaluation, makes each students get development to the greatest extent in interactive teaching practice of teaching and learning and facilitates students' cultivation and improvement of practical competence in English usage. Stratified teaching should be consistent with positioning of the school and the goal and requirement of talent cultivation and satisfy requirements of individualized teaching at the time of reflecting characteristics of agricultural and forestry schools and subjects.