Double-layer light-shielding regulation and control curtain

The invention belongs to the technical field of light-shielding regulation and control curtains, and provides a double-layer light-shielding regulation and control curtain. The invention discloses a double-layer light-shielding regulation and control curtain which comprises a curtain hoisting mechanism and curtain fabric. The curtain hoisting mechanism is detachably mounted at a window; the curtain hoisting mechanism is used for lifting the curtain fabric; the curtain fabric is wound on the curtain hoisting mechanism in a double-layer manner; the curtain fabric is provided with multiple light-proof layers and multiple light-transmitting layers, the light-proof layers and the light-transmitting layers are arranged at multiple positions, and the two sides of any light-proof layer are adjacent to the light-transmitting layers; wherein the light shielding layer of one layer of the curtain fabric coincides with or does not coincide with the light transmitting layer of the other layer of the curtain fabric. Accordi