On the current terms of the ecological balance of the Earth's biosphere off four victims standards, maybe rats, flies, mosquitoes and cockroaches, viruses and even their body, the presence of bacteria is more important than human hotel off four victims, they are the ancestors of life on Earth, but also biosphere life cycle basis. People should re-understanding rats, flies, mosquitoes and cockroaches life, which is to maintain the current balance of the biosphere part of respect for all living systems to eliminate the presence of the four victims, should not be taken to eliminate attitudes (actually impossible), but only can be balanced with a variety of living systems. 4, biology rodent law: includes two aspects: First, the use of natural enemies rodent Fuqing off four victims, many of rodent predators, mainly small mammals such as weasels purpose carnivorous, wild cat, domestic cats, foxes and other birds raptors such as eagles, owls, and snakes. So to protect these predators of rodents, rodent reduction is beneficial. 5, rodent ecology: that is by improving the environment, including rodent buildings, severed rat food, agricultural reform, improve indoor and outdoor sanitation, shelter cleared by rodents, etc., that is, control, transformation, destruction of beneficial rodents living environment and living conditions, so that rodents can not survive and thrive in those places. Integrated pest control rodent ecology is a very important part. Standard off four victims off four victims _ _ Shi Jie, Fuzhou, Fuzhou pest control provided by Shengwei Environmental Technology Limited. Environmental Technology Co., Ltd. Fuzhou Shengwei (www.fzsw.com.cn) strong, credible, in Fuzhou, Fujian insecticide Miehai industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Fuzhou Shengwei and you hand into the brilliant, for a better future!