Taking the survey data of 4795 farming households in China's 31 provinces (autonomous regions and municipalities) from 2011 to 2013 as samples, this paper makes an analysis of the current situation, characteristics, changes and development trends of farming households. The results show that such aspects as age, gender, level of education, household economic capacity of farmers will directly affect their fanning behaviors. The existing small farmers and their extensive operation mode are difficult to ensure food security effectively. Consider...