Dry powder filling machine is compatible to fill portable and trolley type fire extinguishers by adopting vacuum fluidics filling machine sucks dry powder into the powder holder and fill it in the container. This machine is compact, movable, and easy to operate and pollution free. It can recycle dry powder in the free extinguisher directly thus reducing labor intensity and improve working environment. This machine is particularly applicable to the filling of dry powder fire extinguisher. And is also applicable to the filling of various powder products