The invention provides a plasma display panel which comprises a front baseplate and a rear baseplate, wherein the front baseplate is provided with a plurality of discharge units, wherein each discharge unit comprises a first discharge electrode, a second discharge electrode, a first bus electrode and a second bus electrode, wherein the first bus electrode is positioned on the first discharge electrode, the second bus electrode is positioned on the second discharge electrode, the first discharge electrode and the second discharge electrode are both triangular, the first discharge electrode is provided with three vertices A1, B1 and C1, and the second discharge electrode is provided with three vertices A2, B2 and C2; the first bus electrode contacts the side A1B1 of the first discharge electrode, and the second bus electrode contacts the side A2B2 of the second discharge electrode; and the side B1C1 of the first discharge electrode is parallel to the side B2C2 of the second discharge electrode, and the distance between the side B1C1 and the side B2C2 is smaller than that of between the vertices C1 and C2, wherein a space formed between the side B1C1 and the side B2C2 is used for discharge. The triangular discharge electrodes are adopted by the plasma display panel of the invention, thereby improving the performance of the plasma display panel.