Looking from the theory and practice,
democratic politics is political basis of harmonious society.Namely,it is the system
of controlling and solving contradiction and confliction of the society by the harmonious way.It is acknowledged that human's orientation,poly-profit and highly social mobility is the common foundation of
democratic politics and harmonious society.Realizing standardization and institution of
expression of interest is the key point to enrich the political basis of the harmonious society.The construction of standardization and institution of expression of interest is of great importance to improve public policy,dispel social contradiction and strengthen political identification.The improvement of National People's Congress system is the basic rule to enrich the political foundation of the harmonious society.The National People's Congress system not only is the basic system resources for the further developing of democratic politics but also the institutional system for bearing directly the development of the role of law.