To sum up, through the arrangement of plot, narrative structure and music, "looking for little sugar man" successfully tells a story full of suspense and profound meaning on the basis of documentary film by using the creation method of story. Of course, this kind of story creation technique and story film are two different concepts. The story creation technique is based on the documentary film, that is, on the basis of following the objective reality. It is to make the documentary film more visible. The real video material in the film and the scene interview lens also remind us that this is a real "story". In a word, it is necessary for the development of documentary to explore the creative techniques suitable for the audience's aesthetic acceptance. The exploration of the way of documentary story creation in "looking for little sugar man" is worth learning for domestic documentary workers.