Since the birth of the film, the pioneers have buried two clues to the system as if they were enlightened: on one side stood the gate of the Lumiere Brothers factory, leading to the world called the documentary; on the other side Then, I prepared Merrier’s cannon and launched us into the universe of colorful dramas. Throughout its more than 100 years of history, these two clues have guided successors to build a large and sophisticated type system that lies above the spectrum of fictional and non-fictional architectures. Along the river of film history, some creators secretly opened up the tributary between "non-fictional" and "fictional". They are explorers, spoilers, or exiles. They have different starting locations: film academies, studios, fields, life, and interlace to reach different end points: documentary drama (Docudrama / Dramadoc), pseudo documentary (Mockumentary / Psudeo-documentary), documentary fiction film (Docufiction) and many more.