4D影院是科技馆等科普场馆十分重要的展示项目。笔者以上海科技馆4D影院数字化升级改造为例,介绍4D影院的发展及现状,并就4D影院胶片和数字放映的利弊进行对比,阐述4D影院胶片放映机升级改造的必要性以及相关方案实施的作用。 4D cinema science museums and other popular venues is very important display items. Taking Shanghai 4D Cinema Digital Upgrading as an example, the author introduces the development and status quo of 4D cinema, compares the advantages and disadvantages of 4D cinematography film and digital projection, and expounds the necessity of upgrade and reconstruction of 4D cinema film projector and the role of related program implementation .