WWF believes that cats and dogs after a long evolutionary evolution, has been divorced from the nature of the biological chain, no longer exist in the ecological balance, is suitable for human family of animals, widely existing in people's lives, work. Abroad, the new trend is to address cats and dogs as companion animals, reflecting their role in human society. Although pet owners will be well treated, but because of the demand for pets, leading to the emergence of pet market, in order to profit from the wild to reach the market, there will be many animals leading to unnecessary death. It also poses a threat to the ecological balance of the locality, even to the extinction of species. With the prevalence of pet breeding and the growth of people's economic level, the pet industry has been quietly rising and has occupied a certain proportion in the national economy growth. Among them, especially to dogs, cats, fish, plant pet breeding, mainly consumption.