Abstract: Aiming to the difficulty-mined fractured sandshale ore-body of Hunan Baoshan Mine，the underground waste-rock crushing system and the mobile pumping and filling system are established，which can fracture the underground waste rocks in situ and mix them with cement，clay and water.After stirring，the mixed slurries are pumped and filled to stope by the mobile pumping and filling system.The study shows that the filling system has the advantages of higher work efficiency，higher concentration of slurry，lower cost，shorter pipeline and simpler lay-out without the influence of the filling line.

Key words: Crushed wasterock, Yellow-clay, Cemented and pumped filling, High water mine