Wireless controller and wireless control system of CT machine and CT machine

The invention discloses a wireless controller and a wireless control system of a CT machine and the CT machine, wherein the wireless main controller comprises a CT master control board and a wireless master control board, wherein the wireless master control board is used for receiving control signals from a wireless subordinate controller, implementing validity verification on the control signals in accordance with identity of the wireless subordinate controller carried in the control signal, and offering control signals, which pass through the verification, to the CT master control board; and the CT master control board is used for receiving the control signals from the wireless master control board and for implementing corresponding operation control in accordance with the control signals. The technical scheme of the embodiment is conducive to reasonable layout of control parts.