PURPOSE: To provide a bagging device which can use packing bags without lips and swell the bags so as to be apt to insert articles to be packed.

CONSTITUTION: A bagging device is provided with a working table 1 placing articles to be packed, a packing bag case 2 adjacently positioned and rotatably supported at the one side of the working table 1, and an air nozzle 3 opened toward the one side of the working table 1 and blowing the air toward the packing bag case 2. The rotary moment toward the upward part is given by an energizing means, at the packing bag case 2 of the working table 1 side with the border at the supporting place. And further, at the one side of working table 1, at least a pair of stoppers of the packing bags are provided nearly symmetrically against the air nozzle 3 and so as to extend in the packing bag case 2 direction and a blade 60 protruding downward with an acute angle is formed at the front end of respective stoppers 6.