Abstract: Farmers′ factor inputs and allocation efficiency is a key factor to improve farmers income.DEA was used to analyze efficiency of resource allocation of 9 cities′ farmer in Jilin province in horizontal comparison and longitudinal analysis.Results showed that technical efficiency was high，scale efficiency was low，and it was at stage of increasing returns to scale.In 2010—2012，farmers were still in short term of resource allocation increasing returns to scale state，pure technical efficiency and scale efficiency were both focusing.At the same time，farmers in the expansion should adjust proportion of capital investment and labor inputs，appropriately control capital investment ratio，fully consider the use of labor input and mechanical substitutes，in order to improve technical efficiency.