Abstract: The deep integration of MOOC with teaching practices to realize the wide sharing of high-quality teaching resources among universities is one of the trends and core goals of educational informationization. The MOOC-based School English Grammar Ecological Teaching Model reintegrates the teaching environment of teachers, students, tasks, and the environment. It integrates the concepts of cognitive grammar and ecological education into MOOC in order to inspire students to actively construct their system of grammar knowledge, explore the cognitive motivation of grammar, and improve the grammar recognition ability and application level through dynamic interactions.