The present invention relates to a greenhouse light transmission control system, comprising a plurality of transparent plates, a plurality of solar panels, a plurality of regulating devices, and at least one reflecting device, wherein the plurality of transparent plates are flat plates, and the horizontally arranged are disposed at a light transmissive position above the greenhouse; The plurality of solar panels are disposed at a position below the corresponding transparent plate, and the solar panels and the transparent plate have a vertical distance, and each of the solar panels has a lateral permeable gap; and the plurality of regulating devices are coupled with the solar panel and can drive the solar panel Rotating, oscillating or displacing and changing the light transmission gap, the reflecting device can be unfolded or folded, and the power generation efficiency can be improved; thereby, the creation can adjust the illumination range in combination with plant growth, and can simultaneously have the effect of solar power generation.本創作關於一種溫室透光調控系統,包括複數透明板、複數太陽能板、複數調控裝置,至少一反射裝置,該複數透明板為平面板體,橫向排列設於溫室上方可透光位置;又該複數太陽能板設於對應透明板下方位置,該各太陽能板與透明板具垂向間距,且各太陽能板間具橫向可透光間隙;又該複數調控裝置與太陽能板接合,並可帶動太陽能板作旋轉、擺動或位移動作並改變透光間隙,又該反射裝置可展開或收合,並可提升發電效率;藉此本創作可配合植物生長調整光照範圍,並可兼具太陽能發電功效。