The invention belongs to the technical field of traditional Chinese medicine decocting equipment, and relates to a Chinese herbal medicine decocting machine. The insufficiencies in the prior art thata stainless steel material is commonly adopted by an existing traditional Chinese medicine decocting machine to serve as a heating container are made up for. The Chinese herbal medicine decocting machine comprises a base frame, a decocting cylinder lid opening-closing device, a decocting cylinder, a cylinder edge and a heating water supply device; the decocting cylinder is made of crocks or ceramics, and is fixedly installed on the upper surface of a top plate of the base frame; a lower groove of the cylinder edge and the decocting cylinder are cooperatively installed; the decocting cylinder lid opening-closing device comprises a motor, a coupler, a support, a guiding shaft, a lead screw, a decocting cylinder lid slide base, an upper supporting base, bolts and a bearing pedestal; the heating water supply device comprises an exhaust pipe, a fourth electromagnetic water pump, a medicine outlet pipe, a water feeding pipe, a first steam pipe, a gas cleaning box, a heat exchanger, a coupling two-purpose pipe, a first electromagnetic water valve, a middle pipe, a second steam pipe, a second electromagnetic water valve, a third electromagnetic water valve, a second three-way unit, a fifthelectromagnetic water valve, a first three-way unit and a pipe.