Abstract: Anxiety,as a special reflection of affective factor,prevails in college students' foreign language learning process,and it especially outstands in the process of language output.Anxiety occurs closely related to the individual's cognitive trait and pattern.Based on cognitive perspective,this paper aims at analyzing the influence of anxiety on the output in English language learning and reducing the interference factors in cognition as well as conducting cooperative way of teaching and learning in order to reduce the influence degree of anxiety on English language output.