The utility model provides a portable pest trapper belongs to the pest field of traping. Its simple structure, the equipment is simple and convenient, has the portability, has greatly improved the utilization ratio of packing box. This portable pest trapper includes first wallboard and second wallboard, connect behind the first wall coiled sheet song and form pest collection barrel (1), connect after the second wallboard curls and form guide bucket (2), pest collection barrel (1) is the cylinder, the inside round platform of cylinder is located for the cover to guide bucket (2), just pest collection barrel (1) and the bottom diameter of guide bucket (2) is the same, portable pest trapper includes still that detachable covers and connects in the luring of guide bucket (2) bottom core dead lever (5) in apron (3) at pest collection barrel (1) top and detachable, it lures core (6) to lure to be provided with on core dead lever (5).