Abstract: There happened dramatic changes in politic and thinking of China from 1930s to 1980s.Therefore, Dialectics of Nature written by Engels, was disseminated in China not only as a classic work, but closely linked with the political, social and ideological changes in this period.From 1930s to the political era its dissemination experienced ideological spread to political annotation.Since the ideological liberation movement, people had been started to break the the rigid, dogmatic recognization to Dialectics of Nature, which no doubtly promoted the emancipation of mind.The real academic research on Dialectics of Nature, an integral part of emancipation of mind, was launched in 1980s.It can be concluded that the breakthrough of understanding Dialectics of Nature and emancipation of mind promote mutual.It also demonstrates the clear veins of the spread of Dialectics of Nature in China.