The invention relates to equipment in the technical field of traditional Chinese medicine production. A medicine residue discharging mechanism comprises an obliquely-arranged residue discharging sliding pipe with the high end provided with a residue feeding hopper, a medicine residue transferring mechanism and a medicine residue pot discharging mechanism for fishing the medicine residues in a decocting barrel up to the medicine residue transferring mechanism. The altitude of the residue feeding hopper is lower than that of the decocting barrel, and the residue feeding hopper and the decoctingbarrel are distributed in the horizontal direction. The medicine residue transferring mechanism comprises a sliding plate and a sliding plate swinging air cylinder, wherein the sliding plate is hingedto a rack through a horizontal hinge shaft, and the medicine residues are made to slide into the residue feeding hopper from the position above the decocting barrel; and the sliding plate swinging air cylinder drives the sliding plate to swing with the horizontal hinge shaft as the axis, accordingly, the inclination angle is changed, and the horizontal hinge shaft extends in the direction perpendicular to the distribution direction of the residue feeding hopper and the decocting barrel. The medicine residue discharging mechanism is provided and used for solving the problem about whole line automation achieving for traditional Chinese medicine production restraining due to manual residue discharging.