The following measures can eliminate cockroaches:

1. Cockroaches like dirty and humid environments, so they must be cleaned and kept clean and dry, such as toilets and kitchens, which need to be dealt with emphatically.

2. Slice or shred the onion and put it on a plate, and put it in a place where cockroaches often haunt. Once the cockroaches smell the excitement, they dare not come back.

3. Cut the leaves of Vanilla in half, bind the leaves together and put them under cabinets, drawers or wardrobes at home, which can not only keep the indoor environment fragrant, but also make cockroaches move immediately.

4. Washing powder is an efficient drug for trapping and killing cockroaches. What is the method? Washing powder is scattered in places where cockroaches may haunt, and it will die after eating washing powder.

5. The most effective way to kill cockroaches is to kill them with drugs. Now, generally, a safe and effective gel bait is used to kill cockroaches, and the cockroach has the habit of feeding on the corpses and feces of its companions, so as to achieve the effect of chain killing cockroaches.

6. Use a rattan bottle of aromatic essential oil, pour high-purity alcohol into it, and mix it with some essential oil, at a ratio of 9: 1. As soon as cockroaches smell the excitement, they dare not come again.

7. stick insect can be used to put multiple stick insect in every corner of the house for more than one day, and then check. This will let you know the existence, approximate density and spatial distribution of cockroaches in your home.

Extended information:

In order to eliminate cockroaches, you must do the following:

A. Clean up garbage and unused items, especially books, newspapers and magazines at home;

B. check the underside and back of furniture, as well as hidden places such as false ceilings, air troughs and wire troughs;

C. fill the cracks and crevices on the ceiling, wall and floor with non-thermal insulation materials for the best seal.

D. All cockroach remains and egg sheaths must be crushed and removed, so as to prevent the egg sheaths from hatching. (1: The egg sheath must be burned; 2: flushed into the sewer)

E. Furniture made of aluminum, stainless steel and plastic should be chosen instead of plywood or ceiling wall, which is easy to wash and has no heat preservation effect, and cockroaches are not easy to survive. It's best to keep the furniture away from the wall, so it's not easy to hide cockroaches.

Reference: Cockroach _ Baidu Encyclopedia