现有的程序源文件在自我表现力、抽象与层次化能力和相关内容快速查找等方面十分缺乏。提出了针对程序编辑的多媒体文档模型PFNH，同时基于此模型设计了一个多媒体源程序编辑器，较好地克服了传统源文件的上述缺陷。-Existing program source files in the self-expressive, abstract and levels of ability and to quickly find relevant content so scarce. Proposed program editor for multimedia document model PFNH, also designed based on this model a multimedia source editor, which solves the above-mentioned shortcomings of traditional source files.