Sci-tech supporting is the main driving force of development of agricultural production,which is an important measure to improve the agricultural production efficiency and farmers’ income.On the basis of analysis of the key factors which can impact farmers increased income,such as soil,labor,capital and information etc.,the paper discusses the following views.Sci-tech can increase efficiency and sustainable use of soil; promote the improvement of labor quality,and transfer part of the labor force to obtain non-agricultural income.While speeding up the flow of funds invested to promote the rational use of funds and to increase savings,bond interest and other property income,sci-tech can also accelerate farmers’ absorption and utilization of sci-tech information to reduce costs and increase revenue.And then this paper puts forward to several sci-tech measures to increase farmers income,including taking new varieties as the starting point and agricultural sci-tech exemplary bases as guidance,taking science and technology training as platform,fostering and developing the sci-tech demonstration households,organizing science and technology cooperation and giving play to intensive advantage and so on.