Abstract: The trapof rural surplus labor force transfer means that the proportion of agricultural employment will be relatively stable when the transfer of rural labor force reaches a certain stage.The developing countries will advance into the transfer of rural labor force trap,i.e.,when the transfer of rural labor force reaches a certain extent,the transfer will stop,with agricultural employment proportion at a high level.To deal with this problem,scale operation of farmland should be carried out so that the transfer of rural labor force and economic transition could be completed.

Key words: rural surplus labor, transfer trap, scale operation of farmland