Light supplementing system and light supplementing array for global three-dimensional planting

The invention relates to a light supplementing system for global three-dimensional planting, belongs to the field of three-dimensional planting, and aims to overcome the defects of low lighting utilization rate, low space utilization rate and high construction cost of global three-dimensional planting in the prior art. The light supplementing system comprises a sunlight collecting device, a light path turning device, a light guiding device and a layered light supplementing device. Wherein the sunlight collecting device comprises a primary mirror with a hole in the middle and a secondary mirror; the light path turning device comprises a plurality of reflectors and is used for turning sunlight into the light guide device for multiple times; the light guide device is of a tubular structure and is used for guiding sunlight to the layered light supplementing device through the reflection effect of the inner surface. The layered light supplementing device comprises a plurality of light supplementing units arranged