Taking the edible oil plants’supply safety and the farmers’income increase as the dual objectives,adopting the evidence of 342 households in Hubei main rapeseed producing area in 2013-2014,this paper will give a study on the Moderate land-scale operation of rapeseed based on such 3 household models of input-output,profit and cost.The result shows that:1)the main impact factors are planting scale and total producing cost in rapeseed’production and the farmers’income while there is very weak impact of labor skills to rapeseed’production and ...