The decrease in cultivated average farmland mainly and the farm capital substituting function on the workforce embody agricultural repel strength . the absorbing forces in rural and urban area use one liner regression model predicting the absorbing power of the secondary industry and the tertiary industry in rural region and the urban as a whole . the shifting frictional force shows as economic cost and psychological cost mainly 农业排斥力主要通过人均耕地面积的减少和农业资本对劳动力的替代作用来体现；城乡吸纳力主要运用一元线性回归模型分别预测了农村第二产业、第三产业和城镇总体对农业劳动力的吸纳能力；转移摩擦力主要表现为经济成本和心理成本。
