Cockroaches like to stay in warm, humid crevices with food debris. Therefore, if cockroach killing drugs are to be arranged, there are two principles and three classifications. Two principles: The range of arrangement is wide, and it should be arranged on the route of cockroach activities. Three categories: Green dots represent dots where [glue bait] should be arranged; Red dots represent dots where [poison bait] should be arranged; Purple strips represent where [cockroach sticking paper] should be placed. Key Points of Kitchen Layout Key Points of Toilet Layout Key Points of Bedroom Layout Key Points of Living Room Layout Key points of layout in other places