An organic light emitting diode (OLED) display panel is provided, which includes a thin film transistor (TFT) array, a second metal layer, and an insulating layer disposed on the TFT array, a light blocking layer disposed on the insulating layer, a planarization layer disposed on the light blocking layer, an anode metal layer disposed on the planarization layer, and the light blocking layer provided with a plurality of holes; wherein the second metal layer includes a source-drain metal layer, and an interconnect hole is disposed in an interlayer structure between the source-drain metal layer and the anode metal layer and is electrically connected to the source-drain metal layer and the anode metal layer.