Interaction method of portable digital teaching platform and system

The invention relates to an interaction method of a portable digital teaching platform and a system. The portable digital teaching platform comprises multiple camera sets used for acquiring audio and video, a synchronous switch used for controlling the camera sets and a main control terminal interacting with an interaction terminal. The interaction terminal is used for classroom interaction of students. According to invention, the portable camera sets form a classroom shooting system when moving; on and off of recording and data transmission storage of the shooting system are controlled in a WiFi wireless connection manner; the digital teaching platform also has required basic functions in classroom teaching, including digital taking of a roll call, homework assignment of teachers and homework submitting of students; and the classroom interaction function can be realized.