Innovation is the soul of Marxism. From Marxism to Leninism to MaoZedong Thought innovation of Marxism is embodied significantly. Deng Xiao-ping's Theory marks a new stage of Marxism in China. It is an innovation and development of Marxism on important issues such as "Epoch Theme" "Socialist Stages" and "Socialist Nature". In the 21st century we must innovate Deng Xiao-ping's Theory while we adhere to it with the development of times practices and sciences.