The invention discloses a control method for a remote-control high-voltage switch. In the method, a remote-control high-voltage switch control system is used, the remote-control high-voltage switch control system comprises a remote signal reception module, a control module and a high-voltage switch execution module; the remote signal reception module is used for receiving a remote switch control signal; the control module is used for controlling the high-voltage switch execution module according to the remote switch control signal; the high-voltage switch execution module is used for executing the actual switch operation of a high-voltage circuit.