The invention provides an energy-saving heat treatment furnace control system. The system comprises a furnace body, a blanking mechanism, a heat cycle mechanism, a slag discharging mechanism and a control mechanism, wherein the blanking mechanism comprises a guiding barrel, a separating plate, a driving device, a liquid storage case and a filter net; the guiding barrel is mounted above the furnace body, an internal through hole of the guiding barrel communicates with an inner cavity of the furnace body, the separating plate is mounted in the guiding barrel, one higher end of the separating plate is rotationally connected with the inner wall of the guiding barrel, the driving device drives the separating plate, the liquid storage case is mounted in the guiding barrel, and the filter net is obliquely mounted between the liquid storage case and the separating plate; the heat cycle mechanism comprises a liquid inlet pipe, multiple condensing pipes, a first liquid guiding pipe, a heated pipe, a second liquid guiding pipe, multiple heating pipes and a liquid outlet pipe, and liquid storage boxes are mounted below all the condensing pipes; the slag discharging mechanism is mounted at the lower part of the furnace body; the control mechanism comprises a first sensor and a control device. The system is convenient to use, the heat treatment effect of garbage is effectively improved, and heat produced by heat treatment of the garbage is fully utilized.