Catching and killing device for cockroach

The invention discloses a catching and killing device for cockroach. The catching and killing device comprises a rectangular box body; a drawer is arranged inside the box body; a plurality of through holes are arranged on the top surface of the box body; a pair of tweezers is arranged inside the drawer; four sides of the box body are vertically and fixedly connected with equal-height baffles; and a metal net is fixedly connected to the parts of the inner surfaces of the baffles, which are close to the box body and is connected with a battery and a switch in series. When the catching and killing device is in use, bait can be placed in the drawer of the box body by people in advance; the flavor of the bait can diffuse through the through holes on the top surface of the box body to lure the cockroach to move forwards the box body; when the cockroach climbs to the metal net, the electrified metal net can be used for immediately electrocuting the cockroach; and the people can take out tweezers in the drawer to cla