Abstract: Engelss natural dialectics thought is an important part of Marxism, which profoundly points out the relationship between
human and nature with labor as the bridge, criticizes the capitalist mode of production which causes the tension between human and
nature, and provides a scientific methodology for realizing the harmonious development of human and nature. General Secretary Xi
Jinpings Two Mountains Theory has rich connotation and significance. It is the theoretical guidance and basic principle of Chinas 
economic development and ecological civilization construction in the new era. It provides a new concept and path for scientifically
coordinating the relationship between ecological protection and economic development, and is also the inheritance and development of
Engelss dialectics of nature in contemporary China.

Key words: Two?Mountains?Theory, ?dialectics?of?nature, ?inheritance, ?development