The invention relates to an accident ore pulp treatment system for a dressing plant. The accident ore pulp treatment system for the dressing plant is composed of an ore pulp conveying system and an ore pulp treatment system, wherein the ore pulp conveying system comprises an ore pulp pump pit, an ore pulp trench communicated with the ore pulp pump pit, and a slurry pump A and a slurry pump B arranged in the ore pulp pit; guide rails are arranged above the ore pulp pump pit; the slurry pump A and the slurry pump B adopt a suspended installation manner and are suspended on the guide rails through guide chains and chain blocks; the ore pulp treatment system comprises a sedimentation basin, a clear liquor pool and a submerged pump; the clear liquor pool is connected with one end of the sedimentation basin through a connecting embankment; the submerged pump is arranged in the clear liquor pool; an overflow hole is formed in the connecting embankment; and outlet ore pulp of the slurry pump Areturns into the flow; and outlet ore pulp of the slurry pump B is conveyed to the sedimentation basin of the ore pulp treatment system outside the flow. According to the accident ore pulp treatmentsystem for the dressing plant disclosed by the invention, the accident ore pulp in the dressing plant can be effectively recycled, and the production environment of the dressing plant can be effectively ensured.