Comprehensive demonstration instrument for reproduction of primary rainbow and secondary rainbow

The invention discloses a comprehensive demonstration instrument for reproduction of primary rainbow and secondary rainbow, and relates to the technical field of demonstration devices for reproduction of primary rainbow and secondary rainbow. The comprehensive demonstration instrument comprises a bearing frame and a demonstration platform, wherein the bearing frame is rotationally matched with the demonstration platform; the circumferential side surface of the demonstration platform is provided with an annular channel; the annular groove channel is rotationally matched with a movable light source assembly; the surface of the demonstration platform is fixedly connected with a Y-shaped partition plate; the Y-shaped partition plates divide the demonstration platform into a two-dimensional demonstration area, a three-dimensional demonstration area and a material object demonstration area; an optical screen assembly is arranged on the surface of the three-dimensional demonstration area; and a water circulation dev