The invention discloses a smart classroom system, which comprises a pre-class unit, a class unit, a after-class unit and an out-of-class unit, wherein the pre-class unit is used for realizing pre-class preparation, class lesson preparation, classroom interaction and preview summarization; the class unit is used for realizing cross-region and cross-school remote real-time teaching live broadcast, cross-region and cross-school remote real-time teaching interaction, cross-region and cross-school cooperative teaching, cross-region and cross-school real-time teaching, cross-region and cross-schoolreal-time teaching competition and cross-region and cross-school Internet-assisted teaching research and classroom teaching evaluation; the after-class unit is used for providing micro-lesson learning, remedial learning, interactive question answering and individualized learning after the class; the out-of-class unit is used for realizing communication with an outside community and interaction between parents and schools; and the pre-class unit, the class unit, the after-class unit and the out-of-class unit are mutually connected. The smart class system disclosed by the invention has the beneficial effects of realizing fabrication collecting and flowing of teaching resources, being conducive to improving the learning interests of students, and increasing the objectiveness and fairness of educational teaching management.