Abstract
This thesis proposes the social and historical development background what impacts invention of the steam engine; the simple principle of the steam engine;predecessors made the exploration and preparation what for the invention of steam engine in the final; before and after the invention of the steam engine, understanding on phenomena of atmospheric pressure, siphon in Physics; at that time, the mechanical aspect of technology, such as the application on leverage, crankshaft and so on;the technical problems and solutions encountered in the course of invention of the steam engine; the development and the rise of decline of the steam engine; finally summed up what should be learned from the history of invention of the steam engine and affirmed the steam engine for the development of human society tremendous role.
Keywords: The steam engine Cylinders Reciprocating Thermal efficiency Heat engine