The invention relates to a practice and simulation training system and a method for power distribution live-wire work. The practice and simulation training system for the power distribution live-wire work comprises a simulation operation and data management server and a training device, wherein the training device is controlled by the simulation operation and data management server which adopts a plurality of modules; and the modules coordinate with each other. The method for the power distribution live-wire work comprises: a trainee utilizes the training device to carry out live-wire work training; the training device adopts the practice and simulation training system for the power distribution live-wire work; the trainee carries out live-wire work simulation training; the practice and simulation training system for the power distribution live-wire work is utilized to record the relevant data of the simulation training carried out by the trainee, and store the data into the database of the system; a performance rating system evaluates the training performance of the trainee; appliance data for inquiring the live-wire work and related data of specific items are provided; and an administrator administrates the practice and simulation training system for power distribution live-wire work.