First, kill cockroaches.

Keep the environment clean and tidy, remove rubbish and sundries, and clean up sanitary corners. For cockroaches that may breed in ditches, cracks, holes, cement, glass glue, etc. Can be used to wipe and block them. Put cockroach killing tablets in places frequented by cockroaches, and put them as little as possible in other places. In order to prolong the use time, put the cockroach killing tablets in the bottle cap. Physical methods such as sticky catching boxes and bottles can also be used to trap and kill.

Second, kill flies.

The most fundamental way to eliminate flies is to effectively control the places and organisms where flies breed. Remove garbage and feces in time, eliminate sanitary dead corners, improve environmental sanitation quality, and try to prevent flies from breeding. You can use fly catching bottles, fly catching cages, fly killing lamps, fly sticks, etc. In order to catch and kill flies, you can also use methods such as spraying, smearing and poison fly rope. Let flies contact pesticides and die.

Third, killing rats.

Physical deratization method: including the use of metal clips, rat cages, rat-sticking boards, electric rat clips, etc.

Drug rodenticide: use anticoagulant water and chronic rodenticide, such as bromadiolone and bromopicrin.

Fourth, kill mosquitoes.

Mosquito-killing methods commonly used at home mainly include mosquito-repellent incense, insecticide spray and mosquito killer. Screen windows, door curtains and mosquito nets are mainly used to prevent mosquitoes. High-efficiency cypermethrin and phoxim external environment insecticidal emulsifiable concentrate are generally used in commercial places or public places, and cannot be used as indoor medicine. Wear gloves and masks when spraying to avoid skin contact.