In recent years,studies on social engineering in the academic field have undergone several historical transitions:from changing the typical practice morphology of social world to social design mode,from social design mode to mastering the basic mode of modern world by humans,and from the general analogy of natural engineering to the scientific and technological support of big data In the “Internet+” era,big data technology has permeated various aspects of social economy,politics,and culture,etc,and is profoundly changing peoples production mode,lifestyle,thinking mode and emotional modeUnder such technological background,“social engineering” is no longer a given metaphor corresponding to “natural engineering”,rather it is a basic mode by which people can scientifically and technologically master modern social world