Abstract: The present application relates to milk powder packaging field. The present application provides a powder dispensing apparatus for dispensing fixed amount of powder, including a powder outputting member, a bottle mouth connecting assembly and a plurality of resetting members, the powder outputting member has a powder outlet, the bottle mouth connecting assembly includes a valve and a bottle mouth connecting member, the bottle mouth connecting member has a sliding groove, each the resetting member is located in the sliding groove, one end of each resetting member is connected to the bottom of the sliding groove, the other end is connected to the powder outputting member, the valve and the powder outlet are detachably connected, a side of the bottle mouth connecting member deviating from the valve is connected to the powder storing bottle. The present application improves the accuracy of fixed amount of powder dispensing.