What is the best way to kill insects and rats in hotels?

Chemical method: using chemical rodenticide to kill rats is also the most commonly used and effective method. Its advantages are quick effect and good effect, and it can achieve the purpose of controlling rodent pests in a certain period of time. When using chemical methods to kill rats, we must pay attention to the selection of chemical rodenticides. It is forbidden to use highly toxic rodenticides such as tetramine, and safe and effective rodenticides without secondary poisoning should be selected. In addition, when buying rodenticide, we should pay attention to the following points: to buy rodenticide in rural areas, we must go to the places designated by the agricultural technology departments of villages and towns;