李德发,现年33岁,贫农,彝族,云南省楚雄彝族自治州双柏县法甸乡人。他家住在一座大山上,方圆几百里都是茂密的森林。李德发在最近十四五年里,捕捉了害鸟四万多只,在解放后消灭了老鼠一万五千多只。李德发在十二、三岁时,就开始学习前辈传留下来的捕害方法,到十七、八岁时,支扣子的技术就学好了,但是支起了扣子,有时也捉不到害鸟,为了克服这种被动的状态,他就和同伴们把鸟赶到支有扣子的地方,但结果是徒劳无功。这时,他才开始注意害鸟的活动规 Li Defa, aged 33, poor peasant, Yi nationality, Chuxiong Yi Autonomous Prefecture in Yunnan Province Shuangbo County Fadian Township people. His family lives on a big mountain, a few hundred miles in radius are lush forests. In the recent 1445 years, Li Tak-fat captured more than 40,000 pests and eliminated over 15,000 mice after the liberation. At the age of twelve and three, Li Tak-fa began to learn about the methods of arresting his predecessors. By the age of seventeen and eighty, the skills of making handicrafts were well-tuned but buckles were sometimes found and sometimes they were not caught In order to overcome this passive state, he and his companions rushed the bird to the place with the button, but the result was futile. At this moment, he began to pay attention to the behavior rules of pests