In recent years,the application of smart classroom has provided a place for the teaching practice innovation of frontline teachers.Based on the existing interactive coding system for classroom teaching,the SCIAS coding system was proposed,and the smart classroom was used as the research scene to analyze the classroom record from four aspects:classroom teaching atmosphere,classroom teaching structure,student-student speech interaction,and human-technology interaction.The study found that under this environment,the classroom atmosphere is relaxed and harmonious,students'subjectivity is paid atte...