Bait is readily available in supermarkets. The specific method is: Sheng in the drug cap, and placed in their regular activities take place, each room 45 heap. Bait should be scattered enough time, usually 7-10 days can be effective. If there are still 10 days out of a small ant, should be in the pipe, window frames, door frames around spraying pesticides or smear drug to form a protective barrier.