An electronic device casing includes a body, a movable apparatus, and a handle structure. The body comprises a first stopping surface and a second stopping surface disposed opposite to each other. The movable apparatus is adapted to be detachably assembled in the body. The handle structure is pivotally disposed to the movable apparatus. The handle structure comprises a first arm corresponding to the first stopping surface and a second arm corresponding to the second stopping surface. The movable apparatus is adapted to move between a removed position and an assembled position by rotating the handle structure between an upper pulled position and a lower pressed position.