Through an analysis of the effects of out-for-work in a village in Guanzhuang, a natural village in the southeast of Henan province, the author focuses its study of “Nongmingong” on the sending place, and thinks it meaningful in learning of the process of civilization, although it is less concerned in the current study of “Nongmingong”. The author thinks subcontract of land is the key point to study the effects of out-for-work, and analyzes this issue as following: First, the peasants of Guanzhuang can be divided into three kinds : earthbound peasants, amphibian peasants and earth-free peasants, according to their roles in the practice of subcontract of land .Secondly, nowadays, earth-free peasants play as the main role in the effects of subcontract of land in Guanzhuang.Thirdly, can earth-bound peasants who rent others' land prominently increase their incomes depending on land, can earth-free peasants work more steadily in cities, and what is the future of the amphibian peasants?