The invention belongs to the field of electrical switch cabinets and relates to a high-energy-saving electrical switch cabinet. The high-energy-saving electrical switch cabinet comprises an electricalswitch cabinet; the electrical switch cabinet comprises a cabinet body and a cabinet door; the cabinet door is arranged at the front part of the cabinet body; the electrical switch cabinet is provided with a ventilation mechanism and a fire extinguishing mechanism; the ventilation mechanism comprises a motor, a worm, a worm gear, a rotating shaft and a rotating shaft supporting seat; the motor isa...