Cockroaches are very fertile. Cockroaches have another name, Xiao Qiang, because their vitality is really strong. They can eat whatever they want. The most thorough way to kill cockroaches is to let them die, and it is best not to let go of the nest end. The following methods and agents are usually used to effectively kill cockroaches:

Cockroach-killing gel bait: it can kill cockroaches for a long time, and it can be kept cockroach-free for about one year after being used once. The gel bait for killing cockroaches is a new type of poison bait, which is made of various organic or inorganic gels as matrix and effective components for killing cockroaches. An ideal gel bait for killing cockroaches should have two conditions: first, it has good stomach toxicity, is effective, mildew-proof and moisture-proof; Second, there is no or little repellent effect, which has a good attractive effect on cockroaches.

Cockroach house: It is like a house's cockroach killing equipment, which is equipped with insect glue and bait, which can attract cockroaches, ants and other pests into it and stick them.

Cockroach killer: This drug will give off an odor to attract cockroaches to eat. After taking cockroach medicine, cockroaches will be poisoned and die. Although the seller guarantees that cockroach killing drugs are only effective for cockroaches and harmless to people and other animals, they should be placed carefully and not out of the reach of children and pets;

Cockroach trap: Cockroach traps are full of food that cockroaches like. Once they enter the trap, they will only go in and out.

You can mix some flour with washing powder, soapy water or borax and put it in the place where cockroaches like to haunt. Borax, washing powder and soapy water are also effective drugs to trap and kill cockroaches, which will be poisoned and die if eaten.

Spraying pesticides: When going out, close the doors and windows, and then spray indoors several times. Cockroaches have weak respiratory organs and will die after inhaling pesticide water;

Clean the kitchen and keep it clean. The kitchen is one of cockroaches' favorite places. Because there is oil in the kitchen, cockroaches are also called "oil thieves" and love to eat oil. Therefore, it is necessary to clean the kitchen, especially the oil in the kitchen should be scrubbed in time.

Slice or shred the onion on a plate, or dry the orange peel, or cut half a vanilla leaf and tie it together. Putting these in places where cockroaches like to haunt can effectively prevent cockroaches from haunting. Cockroaches don't like the smell of orange peel, onion and vanilla leaves.