1958年2月12日,中共中央、国务院发出了《关于“除四害”讲卫生的指示》,提出要在十年或更短的一些时间内,完成消灭苍蝇、蚊子、老鼠、麻雀的任务。(后来由于不少动物学家的反对,中央于1960年将“臭虫”代替了麻雀。之后,又由于社会生活的变化,“臭虫”又被“蟑螂”取代。于是,后来的“四害”成了苍蝇、蚊子、老鼠、蟑螂)。自此,一场声势浩大的“除四害”运动在全 On February 12, 1958, the Central Committee of the Communist Party of China and the State Council issued the “Directive on Public Health” concerning “Four Pests” and proposed that the elimination of flies, mosquitoes, mice, sparrows should be completed within a period of 10 years or less. The task. (Later, due to the opposition of many zoologists, the Central Government replaced the “bugs” with the sparrow in 1960. Later, due to changes in social life, the “bugs” were replaced by “cockroaches.” Thus, Later “Four Pests” became flies, mosquitoes, mice, cockroaches). Since then, a massive “four pests” campaign in the whole