Big data is the informationization and Internet information revolution after another peak, education big data is the data in the service of education and guide the benign development of the education system of technology and application, large data combined with mobile learning to open new avenues of learning foreign language.Mobile learning resources construction is the important basis of mobile learning, this paper studies the large data era of English mobile learning resources construction of the key issues, including big data model, based on large data of foreign language learning English mobile learning resources system, based on large data English of English mobile learning resources construction process of English.In this paper, the application of research results, for deepening the reform of English teaching, improve the quality of English teaching and cultivate the students' application ability, etc, will play an important role.