With the popularization of Internet technology, the usages of the smartphones and APPs in vocational high school students are increasingly developed in recent years. This research focused on the study of the discussion TAM, “Technology Acceptance Model”, uses the Line software for teacher-student communications. Aimed to explore the users’ behavioral intention to use and actual system usage of teacher-student communications, and even the classroom management, the study theory was based on the practical observation, the explanation and the prediction of Davis’s (1986) TAM. In conclusion, this research tried to figure out a theory of classroom management to consult for the vocational-high-school-teachers.
The results showed, by the perceived usefulness and the perceived ease of using Line for teacher-student communications, the users’ would be satisfied with achieving the key elements of teacher-student communications. And also, by the increasing of the usage frequency, users could achieve the efficiency of classroom management.
Key Words：Line, TAM, teacher-student communication, classroom management
