Electrotherapy method and system

An electrotherapy method and system have disclosed. The electrotherapy method is applied to the electrotherapy system. The electrotherapy method is driven by a control device. The electrotherapy method includes: Step S1: Provides a login operation screen for a user to log in, and the control device reads an electrotherapy session record of the user; S2: According to the record of the electrotherapy session, the control device judges whether or not the electrotherapy session has been interrupted last time; S3: If an electrotherapy session has not been interrupted the previous time, an electrotherapy function option is provided for the user to select, and the electrotherapy function option includes a time option; S4: According to the time option, the control device determines whether there is a maximum time limit for a total electrotherapy time; and S5: If the total electrotherapy time does not reach the time limit, the control device issues a command to the electrical stimulation device to perform an electroth