Abstract: The “Cross-school study” achieves the sharing of high-quality curriculum resources, changes the traditional classroom education mode, practices the compositeness of online and offline education, and efficiently improves the quality of education. To explore the composite education and improve the quality of “Cross-school study”, it is necessary to evolve the educational concept and increase the awareness of composite education; We need to learn to utilize the emerging modern education methods and means for teaching service; It is necessary to achieve the integration of online and offline courses, optimize the preparation of composite education, classroom interation, after class music practice and so on, to achieve the improvement of education efficiency.

Key words: Cross-school study, Children’s songs playing;, Composite education