The intelligent classroom is a new type of classroom organization under the background of education modernization, which inevitably requires new teaching methods to be adapted to it. Guided by the OBE concept, the learning pyramid theory and the hierarchical theory of educational modernization, the double question teaching method forms a teaching design concept with students as the center, output-oriented learning as the focus and the combination of education and information technology as the core. In the content system, the double-question teaching method corresponds to the cognitive law and the three dimensions of talent cultivation goal, and promotes the effective establishment of intelligent classroom by students'"2+2" personalized learning activities and teachers' and students'"2+2" precise learning activities. Design case and achievement comparison method, AHP method and empirical research method give evidence and positive evaluation to the effect of double question teaching method, which shows that this innovative teaching method is highly effective.