The correct formulation of agricultural development policies must have correct agricultural strategic objectives, because the correct objectives are the basis for formulating correct strategies and policies, and the realization of the correct strategic objectives also needs the support of correct policies. Therefore, policy variables and strategic objectives complement each other, and it is of great theoretical and practical significance to study the correlation between agricultural policy variables and their strategic objectives. First, the choice of agricultural strategic objectives in China at this stage

Proportion of sexual subsidies, grain, cotton and oil price subsidies, agricultural product purchase price index, agricultural means of production price index and total agricultural product imports to total imports (%); Other policies: agricultural tax, the proportion of rural non-agricultural labor force to social employees (%), and the average secondary school education or above per 100 workers. Three. Calculation of correlation coefficient between agricultural policy variables and their strategic objectives