Deng xiao-ping's prime contribution to this question is that he found that the real obstacle to the development of the socialism is the old social system, and that reform is the only way to change it. Deng also initiated Marxism “Theory on the Impetus to Reform”.
This kind of necessariness is because of political participation has a series of positive meaning on the one hand, and presently is a more necessary channel to solve the problem of the gap of the poor and the rich and lack of reform power, etc. On the other hand is because of the level of political participation is too low.
The objective transformation on social structure,main social contradiction and reform power demand us subjectively to make consciously the macroscopic reform and the strategic transformation of development policy,so that we can calmly face with and ease the contradiction and advance our various careers.
Deng Xiaoping has put forward the primary periods of socialism, the first productivity, reform motive power, people-centered theory, two constructions of civilization, which has greatly enriched and developed historical materialism.