In the documentary documentary documentary creation process, from the investigation, the interview, the theme determination, to the shooting outline writing, generally calls it the planning stage. One on-site interviews as well as the acquisition of images, audio materials, generally referred to as pre-shooting. Editing, commentary writing to documentary synthesis, generally referred to as post-editing. Documentary creation is a complicated process, which requires many creative steps, and many creative personnel, such as producer, director, camera, lighting, recording, editing, technical personnel and so on.