PURPOSE: To prevent the inside of a machine body from being contaminated to be unsanitary with a powder material scattoring inside a machine and to prevent taking the time and labor for cleaning the inside of the machine body at the time of feeding powder material discharged from the inside of a material box through a discharge port opening at an outer peripheral face into a container through a pipe line opening at the bottom face of a lower end at the time of sale by forming a powdre material feeder for the matrial box respectively housing powder materials being raw materials of various kinds of beverages which are prepared and manufactured inside of the machine body forming the outer periphral face and sold in the container such as a cup, etc.

CONSTITUTION: An insertion port 36 opening at the outer peripheral face, for which the container 4 to be fed with powder material is inserted and which is freely openably/ closably covered by a shield door 37 is formed and the pipe line 32 is communicated with the inside of it. The powder material feeder is provided with a surrounding body 35 surrounding the container 4 inserted into the inside, a blower 40 attracting air within the surrounding body 35 and discharging it outside of the surrounding body 35 and a filter 39 filtering air sucked from the surrounding body 35 and discharged into the machine body 3 by the blower 40.