Provided are a display panel and a display device. The display panel includes: a via hole penetrating through the display panel; a cutting residual area on the periphery of the via hole and includes a base substrate, and a packaging layer; and at least one annular relief structure between the packaging layer and the base substrate in the cutting residual area. The at least one annular relief structure is sequentially distributed around the via hole. The relief structure includes: a first titanium metal layer, an aluminum metal layer and a second titanium metal layer which are sequentially arranged in a stacked mode.