To remove ants, bai must first spray low-toxicity, long after-effect period, and low-smelling contact insecticides in places where they often enter, such as wall gaps, furniture gaps, refrigerator compressors, and pools. Side gaps, heating pipes and wall contact, wire and wall contact, etc. The degree of aggregation is highest in the cabinet. Next, put the poisonous bait in a medicine bottle cap or a small plastic box, and place it in a place where the ants often move, four or five piles per room. In order to avoid future troubles, the poison bait should be sprayed enough at a time, usually after 7-10 days, it will be effective.