Provided are a display assembly and a display device. The display assembly includes a flexible display panel comprising a stretchable display area, a breakable area and a bonding area connected in sequence; a first support film on a side of the stretchable display area; and a second support film on a side of the bonding area, the second support film and the first support film being on a same side of the flexible display panel. An elongation of the first support film is greater than an elongation of the second support film, and a hardness of the first support film is less than a hardness of the second support film.