Display panel and display device

The embodiment of the utility model provides a display panel and a display device, relates to the technical field of display, and is used for reducing the risk that a light-emitting device is damaged due to local heating of the display panel. The display panel comprises a first data line, a first connecting line, a second connecting line, a first power supply auxiliary line, a first power supply bus and a first power supply fan-out line. The first end of the first connecting line is connected with the first data line, and the second end extends to the central area of the display area. The first end of the second connecting line is connected with the second end of the first connecting line, and the second end extends to the edge, close to the fan-out area, of the display area. The first power bus is connected with the plurality of first power auxiliary lines. The first power fan-out line comprises a contact part, the contact part is in contact connection with the first power bus, and the contact part comprises a first side wall. The first power supply auxiliary line comprises a current afflux point connected with the first power supply bus. The at least one current afflux point is closer to the central area of the display area than the first side wall. The display panel is used for displaying images.