A foldable display apparatus includes: a housing, a display panel and one or more stretching assemblies. The housing includes a first sub-housing, a second sub-housing and a rotating shaft. The first and second sub-housings are rotatably connected through the rotating shaft. The display panel includes a bendable portion, and a first non-bendable portion and a second non-bendable portion respectively located on two sides of the bendable portion. The first non-bendable portion and the second non-bendable portion are accommodated in the first sub-housing and the second sub-housing, respectively. The bendable portion corresponds to the rotating shaft. At least one stretching assembly in the one or more stretching assemblies fixed to the second non-bendable portion and the second sub-housing, which is configured to apply force directed from the first non-bendable portion to the second non-bendable portion when foldable display apparatus is unfolded from a fold state.