Trap

The invention discloses a trap which comprises a base, a plurality of base supports, channels, a built-in bait plate, a surface cover, connection ropes, rope buckles and join buttons. The trap uses baits for trapping in the day and light in the night. The surface cover which cannot roll can be used for avoiding the water in the trap to spill out when the trap is turned over to bring annoyances. The arrangement that baits are arranged in and outside the trap and ventilation holes are formed on the outer wall of the base can be used for trapping flies flying into a trapping chamber to improve the effect of trapping for eradicating. The trap can be used on a table and also can be hanged on an appropriate location by a connecting rope. The trap is applicable to rooms or gardens of homes and to treatment of unexpected beings like flies and kinds of phototaxis small insects, owing to the trap composite structure which is easy to assemble, carry and clean. The trap is designed to be in a composite structure, so that