The utility model provides a slip casting device and fracturing hole sealing device. The utility model provides a slip casting device, include: the slip casting pipe, a plugging device, the 2nd plugging device and switching device, be provided with first grout outlet on the slip casting pipe, second grout outlet and third grout outlet, a plugging device sets up in first grout outlet department, the 2nd plugging device sets up in second grout outlet department, slip casting pipe respectively with a plugging device and the one -way intercommunication of the 2nd plugging device, switching device sets up in third grout outlet department, switching device, grouting liquid is used for when getting into a plugging device and the 2nd plugging device, the department forms first hole sealing layer in the drill way of fracturing drilling, and predetermineeing after position department forms second hole sealing layer in fracturing drilling, open the third grout outlet, so that grouting liquid gets into fracturing drilling. The utility model provides a slip casting device and fracturing hole sealing device, to the shutoff effect of fracturing drilling better, can avoid taking place the problem of metalling run out, leaking in the drill way at coal layer fracture's in -process.