The utility model provides a mine powder charging device, including confession medicine base, play pencil and double -deck flexible pipe during constitutes, it supplies medicine hole, intake pipe, blast pipe, admission valve and discharge valve to be equipped with on the confession medicine base, the medicine termination that advances that supplies the medicine hole supplies the pencil, goes out the inner tube butt joint of medicine end and flexible pipe, the air inlet of admission valve passes through the coherent source of intake pipe, the inner tube and the intercommunication of the cavity between the outer tube of gas outlet and flexible pipe, the inner tube and the intercommunication of the cavity between the outer tube of discharge valve's air inlet and flexible pipe, the gas vent trachea that runs in, the play medicine end that goes out the pencil is equipped with the sponge cover, advance medicine end sliding sleeve on the inner tube of flexible pipe and inner tube and outer tube between annular hinge joint. The utility model discloses can be at automatic intubate and tube drawing under wind pressure and powdery emulsion explosive's the drive, eliminated artifical plug pipe to the influence of explosive load, not only improved the control accuracy of loading rate and explosive load, guaranteed the blasting effect, avoided the loss of explosive moreover to the blasting cost has been reduced.