To efficiently and automatically carry out boxing works of all kinds of classified grades and ranks by effectively using a boxing device of fruits and vegetables.

A boxing device of selected fruits and vegetables in which fruits and vegetables sent in by conveyors for these fruits and vegetables are contained in packaging cases by the boxing device, is provided with a plurality of conveyors 1, 2, 3 transferring fruits or vegetables A at every grade and rank and a traveling structure 9 for the boxing device 4 between the conveyors 1, 2, 3. And the boxing device 4 is transferred to accumulated parts 1a, 2a, 3a in the conveyors 1, 2, 3 where a specified number of fruits or vegetables are accumulated.