Based on the concept of scientific development,the times connotation of harmonious society,and combined with the subjective and objective factors that affect farmers' happiness,this paper constructs an index system of farmers' happiness index. Meanwhile,it makes an empirical study on the impact factor weights of the happiness index and its group identity. The result shows that Chinese farmers' happiness is in the general level. We regards that farmers happiness are still affected by their physical conditions,but it is mainly due to the deeper dependence on the policy environment,governance,and...
