The product packaging and displaying device includes a main holding member and a covering member, hanging elements disposed at two opposite sides of the holding member, and a connecting part for connecting the covering member to the holding member, a number of sleeving and covering parts are evenly disposed on one side of the covering member, a hollow connecting board is protruded from the same side of the covering member, the hollow connecting board is engaged onto the connecting part of the holding member for stably displaying products in the displaying device.