With the reorganization and transformation of knowledge content, knowledge short video dispels the traditional sense of knowledge boundary, and creates a new knowledge field and cultural space. By mining and expanding people's main needs, knowledge short video integrates knowledge and socialization into the scenes of people's daily lives, and inspire broader social connections. In the new space of content production, there are disenchantment of knowledge text form, decentralization of knowledge communication order and visualization of narrative voice. At the same time, knowledge short video mainly focuses on the value connotation of social individual, social interaction and social cultural dimension, which is embodied in the promotion of knowledge popularization, wisdom sharing and social civilization development.