An exemplary foldable electronic device includes a first cover, a second cover rotatably coupled to the first cover, and a latch mechanism. The latch mechanism includes a hooking portion and a latching portion. The hooking portion is positioned on the first cover and the latching portion is positioned on the second cover and arranged corresponding to the hooking portion. The latching portion includes a latch and a resilient member. The resilient member is positioned between the latch and the second cover. The latch is slidable in the second cover. The latch engages with the hooking portion when aligned with the hooking portion, and the latch disengages from the hooking portion when staggered from the hooking portion.