Upon comparing the performance of high definition television and film in definition, sensitivity, signal-to-noise ratio, gamma characteristic and production, the paper discusses the feasibility and reality of substitution of high definition television for film. 通过高清晰度电视与电影胶片在清晰度、灵敏度和信噪比、伽玛特性和制作过程等方面性能的比较分析,论述了高清晰度电视取代电影的可行性和现实性。