Based on the examination washback mechanism, the study is to carry out college English application-oriented teaching reform practice, unify the diverse core themes in textbook learning through project tasks in the network and classroom teaching, and emphasize the close connection between language learning and language practice. Project tasks involve the establishment of a series of task documents, task implementation, and task reflection. Project tasks are carried out closely following the core idea of the improvement of workplace capabilities, project data can be integrated into a semester language learning course. The study provides task samples for language teaching and initial experience to adapt to other relevant elective courses, and provides students with additional learning motivation and deeper learning capabilities.