Public opinion expression channel shows its inadaptation in system transition from planned mechanism to market mechanism, which forms the important reason of infarction of public opinion expression channel.

The adequate expression of public opinion and the realization of public appeal are the premise to realize the scientization and democratization of the decision-making,are the inevitable demand to propel smoothly the construction of socialist democratic politics.

By understanding the rules for proposal processing,investigating and studying,from the positive point of view,the roles of CPPCC\'s proposals in expressing public opinion and advocating people\'s democracy,it may be beneficial for us to identify the crux in expression of public opinion through proposals and find out ways to improve.