The utility model discloses a solidification cement clean -up equipment in piling bar, including the casing, the upper and lower both ends of casing are fixed telescopic upper strut arm and the lower part support arm of being provided with respectively, and the casing internal fixation is provided with the propulsion pneumatic cylinder, impels the fixed motor reducer that is provided with of output of pneumatic cylinder, and motor reducer's both sides are provided with the guide bar, and guide bar and casing fixed connection, motor reducer can be followed the guide bar and slided, the fixed hobbing cutter drill bit that is provided with in motor reducer bottom. This solidification cement clean -up equipment in piling bar's upper strut arm and lower part support arm are the fixed stay part, impel the pneumatic cylinder for impeing the part, and motor reducer drives the hobbing cutter drill bit and for creeping into the part, impels motor reducer through impeing the pneumatic cylinder, and it is rotatory that motor reducer drives the insert cutter drill bit, destroys cement.