Automatic curtain

The utility model discloses an automatic curtain which comprises a curtain body and a curtain shaft, wherein the curtain shaft is axially provided with a sliding groove, a springback mechanism is arranged inside the sliding groove, the springback mechanism is connected with one end of the curtain body, and the springback slides in the sliding groove to drive the curtain body to be opened or folded. The springback mechanism comprises a first spring, a sliding block and a clamping strip, wherein the sliding block is located inside the sliding groove, the sliding block is clamped in the sliding groove through the clamping strip, and the two ends of the first spring are connected with the end portion of the sliding block and the end portion of the curtain shaft respectively. The springback mechanism is connected with a driving mechanism used for controlling the springback mechanism to slide on the curtain shaft. When the driving mechanism performs driving, the springback mechanism produces compressed deformation