Hygiene: garbage is sealed in barrels, and the daily output is clear. Keep good water and food sources, and reduce food and water sources for cockroaches;
Blocking: blocking external or adjacent gaps such as wall holes, wall cracks, door and window gaps to reduce cockroach invasion;
Inspection: check luggage or articles when going out to reduce the invasion of cockroaches;
Physics: If cockroaches are found but it is not convenient to apply drugs, such as the gap in the chopping board for cutting vegetables, you can scald them with boiling water;
Poison bait: use cockroach killing particles or cockroach killing gel bait according to the instructions;
Prohibition: Considering the killing effect, it is best not to use spraying agents at home. Of course, professionals can handle it.