The moderate indexing adjustment of public pension could protect the retirees level of living remaining stable out of the inflation erosion.This paper makes a research on indexing adjustment programs designing of the "old pensioner", "middle pensioner" and "new pensioner" according to the economic development and the demographic structure, taking Hunan province for example.Different index adjusting programs have been put forward by regarding the regression analysis results of the correlations between the average wage growth and the residents consumption structure.This empirical research on indexing adjustrnent of public pension could provide a theory basis for research and the policy support for macroeconomic policies making and pension reforming promoting.