Talk about the challenge and countermeasure of social stratum differentiation for our country's political development

since the reform and open policy,the social class of our country has had the unprecedented differentiation,making the political development faced with the pressure to the participation,the political resources drains,the etiquette conformity and the challenge of the political stability,should construct the structure of reasonable social class,reasonably locate the status of various social strata,establish and perfect the benefit expression mechanism of various social strata,strengthen and improve party's leading,in order to adapt the tendency to the social class differentiation.Promote the development of the politics.