Meta-cognition is about the cognition of cognition with the meta-cognitive monitoring as its core, which involves the ability of using meta-cognitive knowledge to plan, monitor and evaluate the learning process The authors hereby first analyze the present state of English learning of college students and theoretical basis of metacognitive monitoring in the development of college students’ autonomous learning ability, and then from the classroom experiment illustrate that metacognitive training into college English teaching can lead students to monitor the learning process and adjust the learning strategies, which can arouse students’ awareness of autonomous learning, develop the corresponding ability and improve their ability to use language effectively