The utility model discloses a sunken ship hull bottom mudstone mixture clearing device belongs to the sunken ship field, including pulling eye thimble, chisel mud sawtooth, storage muddy bottom dish and fixed scaleboard, chisel mud sawtooth is equipped with a plurality ofly, and a plurality of chisel mud sawtooth equipartitions are fixed with the fixed scaleboard of chisel mud sawtooth and pull the eye thimble setting at the both ends of storing up the muddy bottom dish at fixed scaleboard's outward flange. The utility model discloses a sunken ship hull bottom mudstone mixture clearing device has utilized the principle of two -sided dustpan, can effectually will become flexible the mudstone and carry out temporary storage, uses two -sided sawtooth, can guarantee that its at sunken ship bottom reciprocating motion, all can reach desilt operation effect, and the balancing weight has increased the frictional force of instrument with the seabed mudstone, has improved desilt efficiency, lifts by crane smooth installation very heavy or that hold in the palm end girder steel in having guaranteed the sunken ship engineering, has practiced thrift engineering construction cost.