The invention discloses a multimedia document generating method and device. The method comprises the steps of inputting a video source, a courseware source and a subtitle source; building incidence relations between the video source and the courseware source and between the video source and the subtitle source respectively to generate a first configuration file and a second configuration file; encapsulating the video source, the courseware source, the first configuration file, the subtitle source and the second configuration file into a multimedia file. According to the multimedia document generating method and device, videos, courseware, subtitles and configuration files are integrated into a single file, management and spread of the multimedia courseware are promoted, multimedia courseware making, editing and playing become faster and easier, and the method and device can be used for online video-on-demand.