1. A simulation system for manufacturing a printed circuit board, comprising: at least one simulation sub-system comprising an input module configured for acquiring a plurality of processing parameters associated with steps of a process for manufacturing the printed circuit board input by a user; a storing module configured for storing a plurality of simulation functions relating to the steps of the process for manufacturing the printed circuit board; a processing module configured for selecting and performing the corresponding simulation function according to the input parameters thereby obtaining a simulation result; and an output module configured for output the simulation result.