An organic light-emitting diode (OLED) display panel includes a substrate including a display area and a non-display area. At least a retaining wall is disposed on the non-display area and is configured to protrude outward from a surface of the substrate. A plurality of first grooves are provided on the retaining wall. The first grooves are arranged in at least two rows, and the first grooves in adjacent two of the rows are alternately arranged.