A flexible display panel and a preparation method therefor, a display apparatus, and a tiled display apparatus. The flexible display panel is provided with a display area and a peripheral area located on the periphery of the display area, the peripheral area comprising at least one bent area and a folded area located on a side of each bent area away from the display area. The flexible display panel comprises: a flexible substrate and a frame circuit that is disposed on the flexible substrate and is located in the peripheral area, at least a portion of the frame circuit being located in the folded area. The portion of the flexible display panel that is located in the folded area is configured to, by means of the portion located in the bent area, be folded in the direction away from the display side of the flexible display panel.