The pressure of Food security is emphasized by the Chinese government. In recent years, Chinese government focuses on the agriculture by science and technology, trying to seduce the way and the direction of the production in the domestic farms through the policy. In particular, the focus is the revolution of state-owned farms. Based on the data of the Chinese state-owned farms from 1994 to 2011, this research is to estimate the change in productivity and the driving factors. Also, it is divided into different periods and regions according to the policies of the relevant agriculture with the SFA estimation in the part of regions in order to understand the effect of the policy. The relevant policies implement had a positive effect on the growth of TFP in the empirical result and the main driving factor is the progress in technology. Regionally, the reason of the growth in southwest region's TFP is the best among the regions is not only the pursuit of technological progress, but also the efficiency improvement. This study also found that the state-owned farms is increase return to scale. It is suggested that the government should expand the scale of state-owned farms, allocate suitable factor inputs, and gradually improve the management efficiency.