Abstract: Success of land consolidation for suitable large-medium farm mechanization not only opened up the“last kilometer”of large and medium-sized machines entering field，but also improved level of agricultural mechanization in hilly and mountainous areas.At the same time，it also significantly promoted economic，social and ecological benefits of agricultural production in hilly and mountainous areas.Economic，social and ecological benefits of agricultural production by land acquisition suitable for mechanization were studied and analyzed，which provided certain reference for subsequent development of land consolidation suitable for mechanization in Chongqing.