“多现象演示实验”就是一个演示实验出现几种可观察的现象，例如，在做ＮＨ３的喷泉实验时，伴随发光和喷烟现象。多现象演示实验数目不多，大多集中在颜色的变化范围内，即同一演示实验出现不同颜色。笔者查阅了有关国内外文献［１，２］，结合自己的实践，总结了采用组合设 The “Multi-Phenomenon Demonstration Experiment” is a demonstration experiment that shows several observable phenomena, for example, when doing NH3 fountain experiments, with light and smoke. The number of multi-phenomenon demonstration experiments is small, mostly concentrated in the range of color variation, that is, the same demonstration experiment appeared in different colors. The author consulted the relevant domestic and foreign literature [1,2], combined with his own practice, summed up the use of combination