The invention relates to an energy-saving roller bed conveyor used for conveying workpieces. The energy-saving roller bed conveyor comprises fixing frames arranged in parallel and rollers which are assembled between the fixing frames in a pivoted mode and are capable of rotating relative to the fixing frames. At least one roller is a driving roller and can be driven by a driving device to rotate and at least one roller is a driven roller. According to the energy-saving roller bed conveyor, energy is saved through different arrangements of the driving roller and the driven roller.